title: Correspondence: Vitamin D supplements.
mesh_terms: D002118:Calcium / Q000378:metabolism; D002648:Child; D006801:Humans; D006996:Hypocalcemia / Q000188:drug therapy / Q000209:etiology / Q000503:physiopathology*; D009751:Nutritional Requirements; D012955:Societies, Medical; D014801:Vitamin A / Q000627:therapeutic use; D014807:Vitamin D / Q000627:therapeutic use*; D014808:Vitamin D Deficiency / Q000209:etiology; D014815:Vitamins / Q000138:chemical synthesis
chemical_list: D014815:Vitamins; D014801:Vitamin A; D014807:Vitamin D; D002118:Calcium