epmc_citations function

Get citations for a given publication

Finds works that cite a given publication.

epmc_citations(ext_id = NULL, data_src = "med", limit = 100, verbose = TRUE)

Arguments

• ext_id: character, publication identifier

• data_src: character, data source, by default Pubmed/MedLine index will be searched.

  The following three letter codes represent the sources Europe PubMed Central supports:

  • agr: Agricola is a bibliographic database of citations to the agricultural literature created by the US National Agricultural Library and its co-operators.
  • cba: Chinese Biological Abstracts
  • ctx: CiteXplore
  • eth: EthOs Theses, i.e. PhD theses (British Library)
  • hir: NHS Evidence
  • med: PubMed/Medline NLM
  • nbk: Europe PMC Book metadata
  • pat: Biological Patents
  • pmc: PubMed Central

• limit: integer, number of results. By default, this function returns 100 records.

• verbose: logical, print some information on what is going on.

Returns

Metadata of citing documents as data.frame

Examples

## Not run:

epmc_citations("PMC3166943", data_src = "pmc")
epmc_citations("9338777")
## End(Not run)