Treatment and Prevention of Vitamin D Insufficiency in Cystic Fibrosis Patients: Comparative Efficacy of Ergocalciferol, Cholecalciferol, and UV Light

N. B Khazai, S. E Judd, L Jeng, L. L Wolfenden, A Stecenko, T. R Ziegler and V. Tangpricha

Journal of Clinical Endocrinology & Metabolism 94 ( 6 ): 2037 - 2043 , 2009