1. Endocrine Research Unit (W.C., C.T., R.B., D.S.), Medicine, Veterans Affairs Medical Center, University of California, San Francisco, California 94121s
2. Departments of Dermatology (L.K.), Medicine, Veterans Affairs Medical Center, University of California, San Francisco, California 94121
3. Department of Radiobiology, University of Utah School of Medicine (S.M.), Salt Lake City, Utah 84112
4. Department of Medicine (G.S.), Brockton/West Roxbury Veterans Affairs Medical Center, West Roxbury, Massachusetts, and Harvard Medical School, Boston, Massachusetts