Heparin therapy.
D004305:Dose-Response Relationship, Drug; D006470:Hemorrhage / Q000139:chemically induced*; D006493:Heparin / Q000009:adverse effects*; D006801:Humans; D012306:Risk; D013924:Thrombophlebitis / Q000517:prevention & control; D013927:Thrombosis / Q000188:drug therapy
D006493:Heparin