title: Vitamin D requirements in VLBV.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000188:drug therapy*; D012279:Rickets / Q000188:drug therapy*; D014807:Vitamin D / Q000008:administration & dosage*
chemical_list: D014807:Vitamin D