Bone Abstracts

Objectives: Vitamin D is an essential hormone for growth and development of bones in children. Prevalence of vitamin D deficiency is remarkable during childhood and adolescence throughout the world. The aim of this study was to specify the optimal dose of vitamin D in growing girls during an academic year in a sunny city.Materials and methods: This randomized clinical trial study was carried out in Yazd in the Center of Iran in 2007; 120 junior high scho...