Prevalence of vitamin D deficiency in patients attending an outpatient cancer care clinic in Boston.

Vin Tangpricha, MD, PhD, FACE, Natalia A. Colon, BA, Heema Kaul, BA, Shirley L. Wang, BA, Sheila Decastro, RN, Rita A. Blanchard, MD, Tai C. Chen, PhD, and Michael F. Holick, PhD, MD Vitamin D, Skin and Bone Research Laboratory, Section of Endocrinology, Diabetes & Nutrition, Department of Medicine, Boston University School of Medicine, Boston Medical Center, 715 Albany Street, M-1013, Boston, MA 02118