Pulmonary embolism: diagnosis, treatment, and prevention.
D004417:Dyspnea / Q000209:etiology; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000188:drug therapy / Q000517:prevention & control; D011859:Radiography; D013924:Thrombophlebitis / Q000175:diagnosis
D006493:Heparin