Hip fractures and deep-vein thromboembolism.
D000368:Aged; D004341:Drug Evaluation; D005264:Femoral Fractures / Q000150:complications*; D006493:Heparin / Q000627:therapeutic use; D025981:Hip Injuries; D006801:Humans; D013923:Thromboembolism / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000517:prevention & control; D014859:Warfarin / Q000627:therapeutic use
D014859:Warfarin; D006493:Heparin