Estimating Vitamin D Status and the Choice of Supplementation Dose-Reply.
Department of Geriatrics and Aging Research, University Hospital Zurich, Switzerland2Centre on Aging and Mobility, University of Zurich, Switzerland.
Heike A
HA
Bischoff-Ferrari
Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts.
E John
EJ
Orav
USDA Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts.
Bess
B
Dawson-Hughes
D019587:Dietary Supplements; D006801:Humans; D014807:Vitamin D; D014808:Vitamin D Deficiency; D014815:Vitamins
D014815:Vitamins; D014807:Vitamin D