Enoxaparin a low molecular weight heparin and warfarin for the prevention of venous thromboembolic disease after elective knee replacement surgery - Spiro, T E; Fitzgerald, R H; Trowbridge, A A; Overdyke, W L; Gardiner, G A; Young, T R; Ohar, J A; Gustilo, R B; Whitsett, T L (Blood, 1994)