Contamination of In-series Vaporizers with Halothane-Methoxyflurane

^* Associate Professor, Departments of Anesthesiology and Pharmacology and the Upjohn Center for Clinical Pharmacology. Present address: Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710.
† Professor of Anesthesiology.
† Technologist, Upjohn Center for Clnical Pharmacology.

^* Associate Professor, Departments of Anesthesiology and Pharmacology and the Upjohn Center for Clinical Pharmacology. Present address: Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710.
† Professor of Anesthesiology.
† Technologist, Upjohn Center for Clnical Pharmacology.

^* Associate Professor, Departments of Anesthesiology and Pharmacology and the Upjohn Center for Clinical Pharmacology. Present address: Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710.
† Professor of Anesthesiology.
† Technologist, Upjohn Center for Clnical Pharmacology.