1. Department of Pharmacokinetics, Pharmacodynamics & Drug Metabolism, Merck Research Laboratories, West Point, PA 19486, USA.
2. Department of Pharmacokinetics, Pharmacodynamics & Drug Metabolism, Merck Research Laboratories, Rahway, NJ, USA
3. Department of Pharmacokinetics, Pharmacodynamics & Drug Metabolism, Merck Research Laboratories, West Point, PA 19486, USA
4. Department of Pharmacokinetics, Pharmacodynamics & Drug Metabolism, Merck Research Laboratories, Boston, MA, USA