title: Dihydroergotamine-heparin prophylaxis of postoperative deep vein thrombosis.
mesh_terms: D001835:Body Weight; D004087:Dihydroergotamine / Q000008:administration & dosage*; D004359:Drug Therapy, Combination; D005260:Female; D006493:Heparin / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D011183:Postoperative Complications / Q000517:prevention & control*; D012306:Risk; D013924:Thrombophlebitis / Q000517:prevention & control*
chemical_list: D004087:Dihydroergotamine; D006493:Heparin