epmc_citations          Get citations for a given publication
epmc_db                 Retrieve external database entities referenced
                        in a given publication
epmc_db_count           Retrieve the number of database links from
                        Europe PMC publication database
epmc_details            Get details for individual records
epmc_ftxt               Fetch Europe PMC full texts
epmc_ftxt_book          Fetch Europe PMC books
epmc_hits               Get search result count
epmc_lablinks           Get links to external sources
epmc_lablinks_count     Summarise links to external sources
epmc_refs               Get references for a given publication
epmc_search             Search Europe PMC publication database
epmc_tm                 Get text-mined terms
epmc_tm_count           Retrieve the number of database links from
                        Europe PMC publication database
europepmc               europepmc - an R client for the Europe PMC
                        RESTful article API
