| Affiliation: | aFrom the Department of Medicine, Channing Laboratory, Brigham and Womens’ Hospital, Departments of Nutrition, Epidemiology and Environmental Health, Harvard School of Public Health, Department of Medicine, Renal Unit, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts;bSupported by research Grants DK49509, CA40356 and CA50385 from the National Institutes of Health.;c(CURHAN) Requests for reprints: Channing Laboratory, Brigham and Women's Hospital, 181 Longwood Ave., Boston, Massachusetts 02115. |
