PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 8456425-8 1993 These studies show that the antithrombin III-independent inhibitors, r-hirudin and PPACK, are more effective inhibitors of fibrin accretion onto fibrin-coated polyethylene than heparin or Hirulog-1. fibrin-coated polyethylene 145-171 serpin family C member 1 Homo sapiens 28-44