1. Division of Endocrinology and Metabolism (R.J.S.), University of Virginia, Charlottesville, Virginia 22908
2. Emeritus Investigator (H.B.), Fulton, Maryland 20759
3. Prince Henry’s Institute of Medical Research (E.R.S.), Melbourne 3168, Australia
4. Department of Obstetrics and Gynecology (P.K.S.), University of California at San Francisco, San Francisco, California 94143
5. Department of Pharmacology (A.B.), School of Medicine, University of Maryland, Baltimore, Maryland 21201