PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23985782-0 2014 Chronic administration of the methylxanthine propentofylline impairs reinstatement to cocaine by a GLT-1-dependent mechanism. methylxanthine 30-44 solute carrier family 1 member 2 Rattus norvegicus 99-104