[Rachitis--prevention].
D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D011247:Pregnancy; D012279:Rickets / Q000517:prevention & control*; D014467:Ultraviolet Therapy; D014807:Vitamin D / Q000008:administration & dosage / Q000627:therapeutic use*
D014807:Vitamin D
Rachitis--Prophylaxe.