title: [Letter: Treatment using vitamin D 2 or D 3 7?].
mesh_terms: D002762:Cholecalciferol / Q000627:therapeutic use*; D004872:Ergocalciferols / Q000627:therapeutic use*; D006801:Humans; D014808:Vitamin D Deficiency / Q000188:drug therapy
chemical_list: D004872:Ergocalciferols; D002762:Cholecalciferol
vernacular_title: Behandlung mit Vitamin D2 ODER D3?