title: Prophylaxis of postoperative deep venous thrombosis. Studies on low-dose heparin, blood coagulation, infection as a risk factor and the half-life of fibrinogen in patients after gastrointestinal surgery.
mesh_terms: D000328:Adult; D000368:Aged; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001424:Bacterial Infections / Q000150:complications / Q000209:etiology / Q000517:prevention & control; D001780:Blood Coagulation Tests; D002986:Clinical Trials as Topic; D013505:Digestive System Surgical Procedures; D004311:Double-Blind Method; D005260:Female; D005340:Fibrinogen / Q000378:metabolism; D006207:Half-Life; D006470:Hemorrhage / Q000139:chemically induced; D006493:Heparin / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D007279:Injections, Subcutaneous; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000517:prevention & control*; D012306:Risk; D013924:Thrombophlebitis / Q000209:etiology / Q000517:prevention & control*
chemical_list: D000900:Anti-Bacterial Agents; D005340:Fibrinogen; D006493:Heparin