SOLAR Ultraviolet Radiation AND Vitamin D: A Historical Perspective
Kumaravel Rajakumar, MD,
Susan L. Greenspan, MD,
Stephen B. Thomas, PhD and
Michael F. Holick, MD, PhD
Kumaravel Rajakumar is with the Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pa. Susan L. Greenspan is with the Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh. Stephen B. Thomas is with the Center for Minority Health, Graduate School of Public Health, University of Pittsburgh, Pittsburgh. Michael F. Holick is with the Department of Medicine, Physiology and Biophysics, Boston University School of Medicine, Boston, Mass.