title: Blood clots sometimes need longer treatment.
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D006801:Humans; D020246:Venous Thrombosis / Q000188:drug therapy* / Q000517:prevention & control; D014859:Warfarin / Q000008:administration & dosage*
chemical_list: D000925:Anticoagulants; D014859:Warfarin