title: Is vitamin D2 better than vitamin D3?
authors: O Sahap
authors: OS
authors: Atik
mesh_terms: D002762:Cholecalciferol / Q000008:administration & dosage*; D019587:Dietary Supplements; D004872:Ergocalciferols / Q000008:administration & dosage*; D006801:Humans; D016896:Treatment Outcome; D014808:Vitamin D Deficiency / Q000188:drug therapy*
chemical_list: D004872:Ergocalciferols; D002762:Cholecalciferol