Shedding Light on Vitamin D

Hemmelgarn, Melinda MS, RD, LD

AJN, American Journal of Nursing: April 2009 - Volume 109 - Issue 4 - p 19–20
doi: 10.1097/01.NAJ.0000348586.04168.60
AJN Reports

Research supports supplementation and an urgent need to update dietary guidelines.

© 2009 Lippincott Williams & Wilkins, Inc.