title: Prophylaxis of postoperative thromboembolism by low dose heparin and by acetylsalicylic acid given simultaneously. A double blind study.
mesh_terms: D000328:Adult; D000368:Aged; D001241:Aspirin / Q000009:adverse effects / Q000627:therapeutic use*; D004311:Double-Blind Method; D005260:Female; D006470:Hemorrhage / Q000150:complications; D006493:Heparin / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000188:drug therapy*; D012306:Risk; D013923:Thromboembolism / Q000188:drug therapy*; D013927:Thrombosis / Q000150:complications; D013997:Time Factors
chemical_list: D006493:Heparin; D001241:Aspirin