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{{short description|Comprehensive controlled vocabulary for the purpose of indexing journal articles and books in the life sciences}}
{{Redirect|MeSH|the organic chemical|Methanethiol}}
{{Redirect|MeSH|the organic chemical|Methanethiol}}
{{Short description|Controlled vocabulary}}
{{Use mdy dates|date=December 2023}} {{Use American English|date=December 2023}}
{{infobox biodatabase
{{infobox biodatabase
|title = Medical Subject Headings
|logo = Medical Subject Headings logo.png
|logo =[[File:Database.png]]
|description = Medical Subject Headings
|description = Medical Subject Headings
|scope = [[controlled vocabulary]]
|scope = [[controlled vocabulary]]
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|center = [[United States National Library of Medicine]]<br />[[National Center for Biotechnology Information]]
|center = [[United States National Library of Medicine]]<br />[[National Center for Biotechnology Information]]
|laboratory = [[United States National Library of Medicine]]
|laboratory = [[United States National Library of Medicine]]
|author = F B Rogers<ref>{{cite journal |last=Rogers|first=F B|date=Jan 1963|title=Medical subject headings|journal = Bull Med Libr Assoc|volume=51|pages=114–6| issn = 0025-7338| pmid = 13982385| pmc = 197951 }}</ref>
|author = F. B. Rogers<ref>{{cite journal |last=Rogers|first=F B|date=Jan 1963|title=Medical subject headings|journal = Bull Med Libr Assoc|volume=51|issue=1 |pages=114–6| issn = 0025-7338| pmid = 13982385| pmc = 197951 }}</ref>
|pmid = 13982385
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|url = {{URL|https://www.nlm.nih.gov/mesh/|nlm.nih.gov/mesh}}
|download =
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'''Medical Subject Headings''' ('''MeSH''') is a comprehensive [[controlled vocabulary]] for the purpose of [[Subject indexing|indexing]] journal articles and books in the life sciences. It serves as a [[Thesaurus (information retrieval)|thesaurus]] that facilitates searching. Created and updated by the [[United States National Library of Medicine]] (NLM), it is used by the [[MEDLINE]]/[[PubMed]] article database and by NLM's catalog of book holdings. MeSH is also used by [[ClinicalTrials.gov]] registry to classify which diseases are studied by trials registered in ClinicalTrials.
'''Medical Subject Headings''' ('''MeSH''') is a comprehensive [[controlled vocabulary]] for the purpose of indexing [[Academic journal|journal]] articles and books in the [[Life science|life sciences]]. It serves as a thesaurus that facilitates searching. Created and updated by the [[United States National Library of Medicine]] (NLM), it is used by the [[MEDLINE]]/[[PubMed]] article database and by NLM's catalog of book holdings. MeSH is also used by [[ClinicalTrials.gov]] registry to classify which diseases are studied by trials registered in ClinicalTrials.


MeSH was introduced in the 1960s, with the NLM's own [[Subject indexing|index catalogue]] and the subject headings of the [[Index Medicus|Quarterly Cumulative Index Medicus]] (1940 edition) as precursors. The yearly printed version of MeSH was discontinued in 2007 and MeSH is now available online only.<ref name="factsheet">{{cite web | title = Medical Subject Headings (MeSH) Fact sheet | publisher = [[National Library of Medicine]] | date = 2005-05-27 | url = https://www.nlm.nih.gov/pubs/factsheets/mesh.html | accessdate = 2007-05-31}}</ref> It can be browsed and downloaded free of charge through [[PubMed]]. Originally in English, MeSH has been translated into numerous other languages and allows retrieval of documents from different origins.
MeSH was introduced in the 1960s, with the NLM's own index catalogue and the subject headings of the Quarterly Cumulative Index Medicus (1940 edition) as precursors. The yearly printed version of MeSH was discontinued in 2007; MeSH is now available only online.<ref name="factsheet">{{cite web | title = Medical Subject Headings (MeSH) Fact sheet | publisher = [[National Library of Medicine]] | date = 2005-05-27 | url = https://www.nlm.nih.gov/pubs/factsheets/mesh.html | access-date = 2007-05-31}}</ref> It can be browsed and downloaded free of charge through PubMed. Originally in English, MeSH has been translated into numerous other languages and allows retrieval of documents from different origins.


==Structure==
==Structure==
<!-- [[Image:MeSH-example.svg|frame|Hierarchical relationships in MeSH 2005: ''Stomach Neoplasms'' and all of its broader terms]]-->
<!-- [[Image:MeSH-example.svg|frame|Hierarchical relationships in MeSH 2005: ''Stomach Neoplasms'' and all of its broader terms]]-->
MeSH vocabulary is divided into four types of terms. The main ones are the "headings" (also known as MeSH headings or ''descriptors''<ref name="factsheet"/>), which describe the subject of each article (e.g., "Body Weight", "Brain Edema" or "Critical Care Nursing"). Most of these are accompanied by a short description or definition, links to related descriptors, and a list of synonyms or very similar terms (known as ''entry terms''). MeSH contains approximately 26 thousand terms and is updated annually to reflect changes in medicine and medical terminology. MeSH terms are arranged in an alphabetic order and in a hierarchical structure by subject categories with more specific terms arranged beneath broader terms. When we search for a MeSH term, the most specific MeSH terms are automatically included in the search. This is what is called the extended search ("explode") of the term MeSH. This additional information and the hierarchical structure (see below) make the MeSH essentially a [[Thesaurus (information retrieval)|thesaurus]], rather than a plain subject headings list.<ref>[https://www.nlm.nih.gov/mesh/introduction.html Introduction to MeSH – 2010]</ref>
MeSH vocabulary is divided into four types of terms. The main ones are the "headings" (also known as MeSH headings or ''descriptors''<ref name="factsheet"/>), which describe the subject of each article (e.g., "Body Weight", "Brain Edema" or "Critical Care Nursing"). Most of these are accompanied by a short description or definition, links to related descriptors, and a list of synonyms or very similar terms (known as ''entry terms''). MeSH contains approximately 30,000 entries ({{As of|2022|lc=y}}) and is updated annually to reflect changes in medicine and medical terminology.<ref>{{Cite web|url=https://www.nlm.nih.gov/bsd/indexfaq.html#keywords|title=Frequently Asked Questions about Indexing for MEDLINE|website=www.nlm.nih.gov}}</ref> MeSH terms are arranged in alphabetic order and in a hierarchical structure by subject categories with more specific terms arranged beneath broader terms. When we search for a MeSH term, the most specific MeSH terms are automatically included in the search. This is known as the ''extended search'' or ''explode'' of that MeSH term. This additional information and the hierarchical structure (see below) make the MeSH essentially a [[Thesaurus (information retrieval)|thesaurus]], rather than a plain subject headings list.<ref>{{Cite web|url=https://www.nlm.nih.gov/mesh/introduction.html|title=Introduction to MeSH|website=www.nlm.nih.gov}}</ref>


Another type of MeSH vocabulary are MeSH subheadings or qualifiers (see below), that are used with MeSH terms to help describe more completely a particular aspect of a subject, such as adverse, diagnostic or genetic effects. For example, the drug therapy of asthma is displayed as asthma/drug therapy.
The second type of term, MeSH ''subheadings'' or ''qualifiers'' (see below), can be used with MeSH terms to more completely describe a particular aspect of a subject, such as adverse, diagnostic or genetic effects. For example, the drug therapy of asthma is displayed as asthma/drug therapy.


The other two types are those that describe the type of material that the article represents ("publication types") and the "supplementary concept records" (SCR), which describes substances such as chemical products and drugs that are not included in the "headings" (see below as "[[#Supplements|Supplements]]").<ref name="Campos-Asensio">{{Cite journal|last=Campos-Asensio|first=C.|date=2018|title=Cómo elaborar una estrategia de búsqueda bibliográfica|journal=Enfermería Intensiva|language=es|volume=29|issue=4|pages=182–186|doi=10.1016/j.enfi.2018.09.001|pmid=30291015}}</ref>
The remaining two types of term are those that describe the type of material that the article represents (''publication types''), and ''supplementary concept records'' (SCR) which describes substances such as chemical products and drugs that are not included in the headings (see below as "[[#Supplements|Supplements]]").<ref name="Campos-Asensio">{{Cite journal|last=Campos-Asensio|first=C.|date=2018|title=Cómo elaborar una estrategia de búsqueda bibliográfica|journal=Enfermería Intensiva|language=es|volume=29|issue=4|pages=182–186|doi=10.1016/j.enfi.2018.09.001|pmid=30291015|s2cid=188132546 }}</ref>


===Descriptor hierarchy===
===Descriptor hierarchy===
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===Descriptions===
===Descriptions===
Most subject headings come with a short description or definition. See the MeSH description for diabetes type 2 as an example.<ref>[https://www.ncbi.nlm.nih.gov/sites/entrez?Db=mesh&Cmd=ShowDetailView&TermToSearch=68003924&ordinalpos=3&itool=EntrezSystem2.PEntrez.Mesh.Mesh_ResultsPanel.Mesh_RVDocSum Diabetes type 2]</ref> The explanatory text is written by the MeSH team based on their standard sources if not otherwise stated. References are mostly encyclopaedias and standard textbooks of the subject areas. References for specific statements in the descriptions are not given; instead, readers are referred to the bibliography.<ref>[https://www.nlm.nih.gov/mesh/intro_biblio2007.html MeSH bibliography]</ref>
Most subject headings come with a short description or definition. See the MeSH description for diabetes type 2 as an example.<ref>{{Cite web|url=https://www.ncbi.nlm.nih.gov/mesh?Db=mesh&Cmd=ShowDetailView&TermToSearch=68003924&ordinalpos=3&itool=EntrezSystem2.PEntrez.Mesh.Mesh_ResultsPanel.Mesh_RVDocSum|title=Diabetes Mellitus, Type 2 - MeSH |website=NCBI }}</ref> The explanatory text is written by the MeSH team based on their standard sources if not otherwise stated. References are mostly encyclopaedias and standard textbooks of the subject areas. References for specific statements in the descriptions are not given; instead, readers are referred to the bibliography.<ref>{{Cite web|url=http://wayback.archive-it.org/org-350/20160216183651/https://www.nlm.nih.gov/mesh/intro_biblio2007.html|title=Bibliography|website=U.S. National Library of Medicine |date= 13 September 2006 }}</ref>


===Qualifiers===
===Qualifiers===
In addition to the descriptor hierarchy, MeSH contains a small number of standard ''qualifiers'' (also known as ''subheadings''), which can be added to descriptors to narrow down the topic.<ref>[https://www.nlm.nih.gov/mesh/2009/introduction/topsubscope.html List of qualifiers – MeSH 2009]</ref> For example, "Measles" is a descriptor and "epidemiology" is a qualifier; "Measles/epidemiology" describes the subheading of epidemiological articles about Measles. The "epidemiology" qualifier can be added to all other disease descriptors. Not all descriptor/qualifier combinations are allowed since some of them may be meaningless. In all there are 83 different qualifiers.
In addition to the descriptor hierarchy, MeSH contains a small number of standard ''qualifiers'' (also known as ''subheadings''), which can be added to descriptors to narrow down the topic.<ref>{{Cite web|url=http://wayback.archive-it.org/org-350/20170301195045/https://www.nlm.nih.gov/mesh/2009/introduction/topsubscope.html|title=Qualifiers - 2009|website=U.S. National Library of Medicine |date=17 October 2008 }}</ref> For example, "Measles" is a descriptor and "epidemiology" is a qualifier; "Measles/epidemiology" describes the subheading of epidemiological articles about Measles. The "epidemiology" qualifier can be added to all other disease descriptors. Not all descriptor/qualifier combinations are allowed since some of them may be meaningless. In all there are 83 different qualifiers.


===Supplements===
===Supplements===
In addition to the descriptors, MeSH also contains some 139,000 ''supplementary concept records''. These do not belong to the controlled vocabulary as such; instead they enlarge the thesaurus and contain links to the closest fitting descriptor to be used in a MEDLINE search. Many of these records describe chemical substances.
In addition to the descriptors, MeSH also contains some 318,000 ''supplementary concept records''. These do not belong to the controlled vocabulary as such; instead they enlarge the thesaurus and contain links to the closest fitting descriptor to be used in a MEDLINE search. Many of these records describe chemical substances.


==Use in Medline/PubMed==
==Use in Medline/PubMed==
In MEDLINE/PubMed, every journal article is indexed with about 10–15 subject headings, subheadings and supplementary concept records, with some of them designated as ''major'' and marked with an asterisk, indicating the article's major topics. When performing a MEDLINE search via PubMed, entry terms are automatically translated into (i.e. mapped to) the corresponding descriptors with a good degree of reliability; it is recommended to check the 'Details tab' in PubMed to see how a search formulation was translated. By default, a search for a descriptor will include all the descriptors in the hierarchy below the given one. PubMed does not apply automatic mapping of the term in the following circumstances: by writing the quoted phrase (e.g., "kidney allograft"), when truncated on the asterisk (eg, kidney allograft *), and when looking with field labels (eg, Cancer [ti]).<ref name="Campos-Asensio"/>
In MEDLINE/PubMed, every journal article is indexed with about 10–15 subject headings, subheadings and supplementary concept records, with some of them designated as ''major'' and marked with an asterisk, indicating the article's major topics. When performing a MEDLINE search via PubMed, entry terms are automatically translated into (i.e., mapped to) the corresponding descriptors with a good degree of reliability; it is recommended to check the 'Details tab' in PubMed to see how a search formulation was translated. By default, a search for a descriptor will include all the descriptors in the hierarchy below the given one. PubMed does not apply automatic mapping of the term in the following circumstances: by writing the quoted phrase (e.g. "kidney allograft"), when truncated on the asterisk (e.g. {{kbd|kidney allograft *}}), and when looking with field labels (e.g. {{kbd|Cancer [ti]}}).<ref name="Campos-Asensio"/>


==Use at ClinicalTrials.gov==
==Use at ClinicalTrials.gov==
AT ClinicalTrials.gov, each trial has keywords that describe the trial. The ClinicalTrials.gov team assigns each trial two sets of MeSH terms. One set is for the conditions studied by the trial and the onother for the set of interventions used in the trial. The XML file that can be downloaded for each trial contains these MeSH keywords. The XML file also has a comment that says: "the assignment of MeSH keywords is done by imperfect algorithm".
At [[ClinicalTrials.gov]], each trial has keywords that describe the trial. The ClinicalTrials.gov team assigns each trial two sets of MeSH terms. One set is for the conditions studied by the trial and the other for the set of interventions used in the trial. The XML file that can be downloaded for each trial contains these MeSH keywords. The XML file also has a comment that says: "the assignment of MeSH keywords is done by imperfect algorithm".


==Categories==
==Categories==
Line 64: Line 64:
* Diseases [C]
* Diseases [C]
* [[Chemical substance|Chemicals]] and Drugs [D]
* [[Chemical substance|Chemicals]] and Drugs [D]
* Analytical, [[medical diagnosis|Diagnostic]] and Therapeutic Techniques and Equipment [E]
* Analytical, [[medical diagnosis|Diagnostic]] and Therapeutic Techniques, and Equipment [E]
* [[Psychiatry]] and [[Psychology]] [F]
* [[Psychiatry]] and [[Psychology]] [F]
* Phenomena and Processes [G]
* [[Biological sciences|Biological Sciences]] [G]
* Disciplines and Occupations [H]
* [[Physical sciences|Physical Sciences]] [H]
* [[Anthropology]], Education, [[Sociology]] and Social Phenomena [I]
* [[Anthropology]], Education, [[Sociology]] and Social Phenomena [I]
* Technology and Food and Beverages [J]
* Technology, Industry, and Agriculture [J]
* [[Humanities]] [K]
* [[Humanities]] [K]
* [[Information Science]] [L]
* [[Information Science]] [L]
* Persons [M]
* Named Groups [M]
* Health Care [N]
* Health Care [N]
* Publication Characteristics [V]
* Publication Characteristics [V]
* Geographicals [Z]
* [[Geographic]] Locations [Z]


==See also==
==See also==
Line 89: Line 89:
{{Wikidata property|P486}}
{{Wikidata property|P486}}
* [https://www.nlm.nih.gov/mesh/ Medical Subject Heading Home] provided by National Library of Medicine, National Institutes of Health (U.S.)
* [https://www.nlm.nih.gov/mesh/ Medical Subject Heading Home] provided by National Library of Medicine, National Institutes of Health (U.S.)
* [https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=mesh MeSH database tutorials]
* [https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=mesh MeSH tutorials]
* [https://www.nlm.nih.gov/bsd/disted/pubmedtutorial/020_040.html Automatic Term Mapping]
* [https://www.nlm.nih.gov/bsd/disted/pubmedtutorial/020_040.html Automatic Term Mapping]
* Browsing MeSH:
* Browsing MeSH:
** [https://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=mesh Entrez]
** [https://www.ncbi..nih.gov/entrez/query.fcgi?db=mesh Entrez]
** [https://www.nlm.nih.gov/mesh/MBrowser.html MeSH Browser]
** [https://www.nlm.nih.gov/mesh/MBrowser.html MeSH Browser]
** [http://www.curehunter.com/public/dictionary.do Visual MeSH Browser] mapping drug-disease relationships in research
** [http://www.curehunter.com/public/dictionary.do Visual MeSH Browser] mapping drug-disease relationships in research
** [http://www.reference.md/ Reference.MD]
** [http://www.reference.md/ Reference.MD]
* [https://www.nlm.nih.gov/mesh/2009/introduction/topsubscope.html List of qualifiers – 2009]
* [https://www.nlm.nih.gov/mesh/2009/introduction/topsu of qualifiers – 2009 ]
⚫
{{Medical classification}}{{MeSH codes}}


⚫
{{Medical classification}}
{{Authority control}}


[[Category:Medical Subject Headings| ]]
[[Category:Medical Subject Headings| ]]

Latest revision as of 23:09, 14 May 2024

"MeSH" redirects here. For the organic chemical, see Methanethiol.

Medical Subject Headings
Content
DescriptionMedical Subject Headings
Data types
captured		controlled vocabulary
Contact
Research centerUnited States National Library of Medicine
National Center for Biotechnology Information
LaboratoryUnited States National Library of Medicine
AuthorsF. B. Rogers[1]
Primary citationPMID 13982385
Access
Websitenlm.nih.gov/mesh

Medical Subject Headings (MeSH) is a comprehensive controlled vocabulary for the purpose of indexing journal articles and books in the life sciences. It serves as a thesaurus that facilitates searching. Created and updated by the United States National Library of Medicine (NLM), it is used by the MEDLINE/PubMed article database and by NLM's catalog of book holdings. MeSH is also used by ClinicalTrials.gov registry to classify which diseases are studied by trials registered in ClinicalTrials.

MeSH was introduced in the 1960s, with the NLM's own index catalogue and the subject headings of the Quarterly Cumulative Index Medicus (1940 edition) as precursors. The yearly printed version of MeSH was discontinued in 2007; MeSH is now available only online.[2] It can be browsed and downloaded free of charge through PubMed. Originally in English, MeSH has been translated into numerous other languages and allows retrieval of documents from different origins.

Structure

[edit]

MeSH vocabulary is divided into four types of terms. The main ones are the "headings" (also known as MeSH headings or descriptors[2]), which describe the subject of each article (e.g., "Body Weight", "Brain Edema" or "Critical Care Nursing"). Most of these are accompanied by a short description or definition, links to related descriptors, and a list of synonyms or very similar terms (known as entry terms). MeSH contains approximately 30,000 entries (as of 2022) and is updated annually to reflect changes in medicine and medical terminology.[3] MeSH terms are arranged in alphabetic order and in a hierarchical structure by subject categories with more specific terms arranged beneath broader terms. When we search for a MeSH term, the most specific MeSH terms are automatically included in the search. This is known as the extended search or explode of that MeSH term. This additional information and the hierarchical structure (see below) make the MeSH essentially a thesaurus, rather than a plain subject headings list.[4]

The second type of term, MeSH subheadings or qualifiers (see below), can be used with MeSH terms to more completely describe a particular aspect of a subject, such as adverse, diagnostic or genetic effects. For example, the drug therapy of asthma is displayed as asthma/drug therapy.

The remaining two types of term are those that describe the type of material that the article represents (publication types), and supplementary concept records (SCR) which describes substances such as chemical products and drugs that are not included in the headings (see below as "Supplements").[5]

Descriptor hierarchy

[edit]

The descriptors or subject headings are arranged in a hierarchy. A given descriptor may appear at several locations in the hierarchical tree. The tree locations carry systematic labels known as tree numbers, and consequently one descriptor can carry several tree numbers. For example, the descriptor "Digestive System Neoplasms" has the tree numbers C06.301 and C04.588.274; C stands for Diseases, C06 for Digestive System Diseases and C06.301 for Digestive System Neoplasms; C04 for Neoplasms, C04.588 for Neoplasms By Site, and C04.588.274 also for Digestive System Neoplasms. The tree numbers of a given descriptor are subject to change as MeSH is updated. Every descriptor also carries a unique alphanumerical ID that will not change.

Descriptions

[edit]

Most subject headings come with a short description or definition. See the MeSH description for diabetes type 2 as an example.[6] The explanatory text is written by the MeSH team based on their standard sources if not otherwise stated. References are mostly encyclopaedias and standard textbooks of the subject areas. References for specific statements in the descriptions are not given; instead, readers are referred to the bibliography.[7]

Qualifiers

[edit]

In addition to the descriptor hierarchy, MeSH contains a small number of standard qualifiers (also known as subheadings), which can be added to descriptors to narrow down the topic.[8] For example, "Measles" is a descriptor and "epidemiology" is a qualifier; "Measles/epidemiology" describes the subheading of epidemiological articles about Measles. The "epidemiology" qualifier can be added to all other disease descriptors. Not all descriptor/qualifier combinations are allowed since some of them may be meaningless. In all there are 83 different qualifiers.

Supplements

[edit]

In addition to the descriptors, MeSH also contains some 318,000 supplementary concept records. These do not belong to the controlled vocabulary as such; instead they enlarge the thesaurus and contain links to the closest fitting descriptor to be used in a MEDLINE search. Many of these records describe chemical substances.

Use in Medline/PubMed

[edit]

In MEDLINE/PubMed, every journal article is indexed with about 10–15 subject headings, subheadings and supplementary concept records, with some of them designated as major and marked with an asterisk, indicating the article's major topics. When performing a MEDLINE search via PubMed, entry terms are automatically translated into (i.e., mapped to) the corresponding descriptors with a good degree of reliability; it is recommended to check the 'Details tab' in PubMed to see how a search formulation was translated. By default, a search for a descriptor will include all the descriptors in the hierarchy below the given one. PubMed does not apply automatic mapping of the term in the following circumstances: by writing the quoted phrase (e.g. "kidney allograft"), when truncated on the asterisk (e.g. kidney allograft *), and when looking with field labels (e.g. Cancer [ti]).[5]

Use at ClinicalTrials.gov

[edit]

At ClinicalTrials.gov, each trial has keywords that describe the trial. The ClinicalTrials.gov team assigns each trial two sets of MeSH terms. One set is for the conditions studied by the trial and the other for the set of interventions used in the trial. The XML file that can be downloaded for each trial contains these MeSH keywords. The XML file also has a comment that says: "the assignment of MeSH keywords is done by imperfect algorithm".

Categories

[edit]
For the full hierarchy, see List of MeSH codes.

The top-level categories in the MeSH descriptor hierarchy are:

See also

[edit]

References

[edit]
  1. ^ Rogers, F B (January 1963). "Medical subject headings". Bull Med Libr Assoc. 51 (1): 114–6. ISSN 0025-7338. PMC 197951. PMID 13982385.
  2. ^ a b "Medical Subject Headings (MeSH) Fact sheet". National Library of Medicine. May 27, 2005. Retrieved May 31, 2007.
  3. ^ "Frequently Asked Questions about Indexing for MEDLINE". www.nlm.nih.gov.
  4. ^ "Introduction to MeSH". www.nlm.nih.gov.
  5. ^ a b Campos-Asensio, C. (2018). "Cómo elaborar una estrategia de búsqueda bibliográfica". Enfermería Intensiva (in Spanish). 29 (4): 182–186. doi:10.1016/j.enfi.2018.09.001. PMID 30291015. S2CID 188132546.
  6. ^ "Diabetes Mellitus, Type 2 - MeSH". NCBI.
  7. ^ "Bibliography". U.S. National Library of Medicine. September 13, 2006.
  8. ^ "Qualifiers - 2009". U.S. National Library of Medicine. October 17, 2008.
[edit]
Wikidata has the property:
Retrieved from "https://en.wikipedia.org/w/index.php?title=Medical_Subject_Headings&oldid=1223884196"