With the External Link services, Europe PMC allows third parties to publish links from Europe PMC to other webpages or tools. Current External Link providers, which can be selected through Europe PMC's advanced search, include Wikipedia, Dryad Digital Repository or the institutional repo of Bielefeld University. For more information, see http://europepmc.org/labslink.

epmc_lablinks_count(ext_id = NULL, data_src = "med")

Arguments

ext_id

publication identifier

data_src

data source, by default Pubmed/MedLine index will be searched. The following three letter codes represents 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

Value

data.frame with counts for each database

Examples

# NOT RUN { epmc_lablinks_count("24023770") epmc_lablinks_count("PMC3986813", data_src = "pmc") # }