RISmed (version 2.1.2)

Mesh: Extracts Mesh headings from Medline object.

Description

Extractor for the Mesh headings of a Medline object.

Usage

Mesh(object)

Arguments

object

instance of class Medline

Value

• List by Pubmed article. Each list contains a data frame with Heading and Type. The Heading is a MeSH Term and Type is either a Descriptor or a Qualifier of a Descriptor term. Qualifiers of a Descriptor immediately follow the Descriptor term in the data frame. When MeSH headings have not been included with a MEDLINE record, the list will contain NAs (see details).

Details

In Process and publisher-supplied records lack MeSH terms. See the MeSH Fact Sheet http://www.nlm.nih.gov/pubs/factsheets/mesh.html or the MeSH home page http://www.nlm.nih.gov/mesh/meshhome.html for additional information about MeSH.

See Also

Medline

Examples

res <- EUtilsSummary("myeloma[MeSh]",retmax=2,reldate=365)
summary(res)
fetch <- EUtilsGet(res)

Mesh(fetch)

### NOTE THAT MORE RECENT RECORDS MAY LACK MESH HEADINGS

res <- EUtilsSummary("myeloma[ti]",retmax=2,reldate=365)
summary(res)
fetch <- EUtilsGet(res)

Mesh(fetch)