1. University Hospital, College of Pharmacy, University of Nebraska Medical Center, Omaha 68105
2. Clinical Division, Department of Pharmacy, University Hospital, University of Michigan Medical Center, Ann Arbor; at the time of this study, he was Director, Drug Information Center, Mercy Hospital, Pittsburgh, Pennsylvania
3. Department of Pharmacy, University Hospital, University of Michigan Medical Center, Ann Arbor; at the time of this study, he was Coordinator, Hospital Pharmacy Program, Mercy Hospital, Department of Clinical Pharmacy, Duquesne University, Pittsburgh
4. Pharmacy Department, Mercy Hospital, Pittsburgh