title: Acetylsalicylic acid, low dose heparin, and a combination of both substances in the prevention of postoperative thromboembolism. A double blind study.
mesh_terms: D001241:Aspirin / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D005260:Female; D006493:Heparin / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D011183:Postoperative Complications / Q000517:prevention & control*; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D006493:Heparin; D001241:Aspirin