title: Proceedings: Postoperative deep vein thrombosis.
mesh_terms: D006470:Hemorrhage / Q000139:chemically induced; D006493:Heparin / Q000009:adverse effects / Q000097:blood / Q000627:therapeutic use*; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000517:prevention & control*
chemical_list: D006493:Heparin