title: Efficacy of low doses of heparin in prevention of deep-vein thrombosis after major surgery. A double-blind, randomised trial.
mesh_terms: D000328:Adult; D000368:Aged; D001780:Blood Coagulation Tests; D002986:Clinical Trials as Topic; D005176:Factor XIII / Q000378:metabolism; D005260:Female; D006470:Hemorrhage / Q000209:etiology; D006493:Heparin / Q000008:administration & dosage* / Q000009:adverse effects / Q000097:blood; D006801:Humans; D007279:Injections, Subcutaneous; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D011183:Postoperative Complications / Q000517:prevention & control*; D011300:Preoperative Care; D011517:Prothrombin Time; D011655:Pulmonary Embolism / Q000517:prevention & control; D013927:Thrombosis / Q000517:prevention & control*; D013997:Time Factors; D014680:Veins
chemical_list: D006493:Heparin; D005176:Factor XIII