1. Section on Reproductive Endocrinology (N.M.N.), Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland 20892
2. Metabolic Diseases Branch (D.E.-M., L.S.W.), National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland 20892
3. Department of Medicine (R.H., A.M.M.), Upstate Medical University, Syracuse, New York 13210
4. Surgery Branch (S.K.L.), National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892