PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11011802-21 2000 The FDA has approved a recombinant hirudin (Refludan) and a synthetic antithrombin agent, argatroban (Novastan), for this indication. argatroban 90-100 serpin family C member 1 Homo sapiens 70-82