[Considerations and proposals on rickets prophylaxis].
D002675:Child, Preschool; D002762:Cholecalciferol / Q000627:therapeutic use*; D006801:Humans; D012279:Rickets / Q000517:prevention & control*
D002762:Cholecalciferol
Uberlegungen und Vorschläge zur Rachitis-Prophylaxe.