Enoxaparin versus unfractionated heparin in patients treated with tirofiban, aspirin and an early conservative initial management strategy: Results from the A phase of the A-to-Z trial

James A de Lemos, Michael A. Blazing, Stephen D. Wiviott, William E. Brady, Harvey D. White, Keith A A Fox, Joanne Palmisano, Karen E. Ramsey, David W. Bilheimer, Eldrin F. Lewis, M. Pfeffer, Robert M. Califf, Eugene Braunwald