1. Metabolism Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, Department of Radiology, School of Medicine, Johns Hopkins University, Baltimore, Maryland, Laboratory of Diagnostic Radiology Research, Warren Grant Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland, Radioimmune & Inorganic Chemistry Section, Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, and Renal...