title: Prevention of postoperative thromboembolic complications. A prospective comparison between dextran 70, dihydroergotamine heparin and a sulphated polysaccharide.
mesh_terms: D000368:Aged; D003911:Dextrans / Q000627:therapeutic use*; D004087:Dihydroergotamine / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D005260:Female; D006493:Heparin / Q000031:analogs & derivatives* / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000175:diagnosis / Q000517:prevention & control*; D011446:Prospective Studies; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000517:prevention & control; D011897:Random Allocation; D013924:Thrombophlebitis / Q000175:diagnosis / Q000517:prevention & control*
chemical_list: D003911:Dextrans; D004087:Dihydroergotamine; C029848:PZ68B; D006493:Heparin