Venous thrombosis. 1.
D000328:Adult; D000349:Africa; D000368:Aged; D001808:Blood Vessels / Q000502:physiology; D005260:Female; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000150:complications / Q000209:etiology; D012737:Sex Factors; D013924:Thrombophlebitis / Q000150:complications / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control / Q000601:surgery
D006493:Heparin