1. Jerry L. Pettis Memorial Veterans Administration Medical Center, Department of Nutrition (S.R.), School of Public Health, Departments of Medicine, Biochemistry, Loma Linda University, Loma Linda, California 92357
2. Mineral Metabolism Laboratory (D.J.B., S.M.), Loma Linda University, Loma Linda, California 92357
3. Physiology, School of Medicine (D.J.B., S.M), Loma Linda University, Loma Linda, California 92357