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OCLC Support

MeSH

Find the fields, subfields, notes, and product availability for the MeSH word (hm:), phrase (hm=), and whole phrase (hmw=) indexes.

MeSH = Medical subject headings

Also called Subject Headings, MeSH.

Word (hm:)
  Connexion FirstSearch and Collection Manager query collections FirstSearch and Collection Manager query collections WorldCat.org
Label hm:
Search? Yes Yes Yes Yes
Browse? --- ---- ---  ---
Examples
  • optometry
  • hm:diabetes and yr:2005 and mt:vis
  • optometry
  • hm:diabetes AND yr:2005 AND mt:vis
Fields/Subfields

The following 6xx fields (if indicator 2 = 2):

  • 600 a-e g j k m-t x y
  • 610 a-e g k m-p r-t x y
  • 611 a c-e g k n p q t x y
  • 630 a d k m-p r-t x y
  • 647 a c d g x-z
  • 648 a x y
  • 650 a b g x y
  • 651 a g x y
  • 655 a b x y
Qualifier index? No
Notes
  • Searches only subject headings noted as MESH/US National Library of Medicine
  • Supports non-Latin script searches
  • Contains data from your local bibliographic data records in WorldShare and WorldCat Discovery.
Phrase (hm=)
  Connexion FirstSearch and Collection Manager query collections WorldShare and WorldCat Discovery WorldShare and WorldCat Discovery
Label hm=
Search? Yes Yes Yes Yes
Browse? --- --- ---  ---
Examples
  • vision low
  • hm=womens health and yr:2005
  • vision low
  • hm=womens health AND yr:2005
Fields/Subfields

The following 6xx fields (if indicator 2 = 2):

  • 600 a-e g j k m-t x y
  • 610 a-e g k m-p r-t x y
  • 611 a c-e g k n p q t x y
  • 630 a d k m-p r-t x y
  • 647 a c d g x-z
  • 648 a x y
  • 650 a b g x y
  • 651 a g x y
  • 655 a b x y
Qualifier index? No
Notes
  • Searches only subject headings noted as MESH/US National Library of Medicine
  • Supports non-Latin script searches
  • Contains data from your local bibliographic data records in WorldShare and WorldCat Discovery.
  • Performs an unanchored phrase search.
Whole phrase (hmw=)
  Connexion FirstSearch and Collection Manager query collections WorldShare and WorldCat Discovery WorldCat.org
Label hmw= --- --- ---
Search? Yes --- --- ---
Browse? --- --- --- ---
Examples hmw=womens health --- --- ---
Fields/Subfields

The following 6xx fields (if indicator 2 = 2):

  • 600 a-e g j k m-t x y
  • 610 a-e g k m-p r-t x y
  • 611 a c-e g k n p q t x y
  • 630 a d k m-p r-t x y
  • 647 a c d g x-z
  • 648 a x y
  • 650 a b g x y
  • 651 a g x y
  • 655 a b x y
--- --- ---
Qualifier index? No --- --- ---
Notes
  • Searches only subject headings noted as MESH/US National Library of Medicine.
  • Supports non-Latin script searches.
  • Performs an anchored phrase search.
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