1. Dr. Dunner is Psychiatrist, New York State Psychiatric Institute, 722 West 168th St., New York, N.Y. 10032, where Dr. Fieve is Chief of Research, Lithium Clinic and Metabolic Unit. Dr. Dunner is also Associate Professor of Clinical Psychiatry and Dr. Fieve is Professor of Clinical Psychiatry, Columbia University. Dr. Patrick is Resident in Psychiatry, Meyer Psychiatric Institute, New York, N.Y.