[Rickets prevention].
D002118:Calcium / Q000097:blood / Q000652:urine; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012279:Rickets / Q000517:prevention & control*; D012621:Seasons; D014807:Vitamin D / Q000008:administration & dosage
D014807:Vitamin D; D002118:Calcium
Rachitisprophylaxe.