pubmedR (version 1.0.2)

pmCitedBy: Find articles that cite a given PubMed article

Description

It retrieves the PMIDs of articles that cite a given PubMed article, using the NCBI E-Link service (PubMed Cited by).

Usage

pmCitedBy(pmid, api_key = NULL)

Value

a list containing:

pmid		The queried PMID.
cited_by		A character vector of PMIDs that cite the queried article.
count		The number of citing articles found.

Arguments

pmid

is a character or numeric. A single PubMed identifier (PMID).

api_key

is a character. It contains a valid API key for the NCBI E-utilities. Default is api_key=NULL. The API key can also be set via the environment variable PUBMED_API_KEY or ENTREZ_KEY.

Details

This function uses the NCBI E-Link endpoint with linkname "pubmed_pubmed_citedin" to find articles in PubMed that cite the given article.

Note: Citation data in PubMed is based on PubMed Central (PMC) and may not be as comprehensive as commercial citation databases (e.g. Web of Science, Scopus).

See Also

pmReferences

pmFetchById

Examples

# \donttest{
# Find articles that cite PMID 25824007
cites <- pmCitedBy(pmid = "25824007")
cites$count
cites$cited_by
# }