Activated coagulation time as screening test.
D001778:Blood Coagulation Disorders / Q000175:diagnosis*; D001780:Blood Coagulation Tests / Q000295:instrumentation*; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D013514:Surgical Procedures, Operative; D013923:Thromboembolism / Q000188:drug therapy
D006493:Heparin