1. Senior Resident, Department of Anesthesiology, The Ohio State University College of Medicine, Columbus, Ohio 43210.
2. Instructor, Department of Anesthesiology, The Ohio State University College of Medicine.
3. Associate Professor, J. F. and C. Heymans-Institute, Gent, Belgium.
4. Professor, Department of Pharmacology, The Ohio State University College of Medicine.
5. Professor and Chairman, Department of Anesthesiology, The Ohio State University College of Medicine.