The Influence of Sunlight Exposure on Serum Vitamin D Concentration and Bone Turnover; a controlled clinical trial
"nBackground: Sunlight exposure is one of the ways for vitamin D synthesis.However, its effect on vitamin D status via experimental studies is poorly understood.This study was undertaken to address the possibility that sunlight exposure may increase the levels of serum vitamin D, and alter bone turnover in healthy young girls."nMethods: I