[Calcium requirement and skeletal diseases].
D001847:Bone Diseases / Q000209:etiology*; D002118:Calcium / Q000172:deficiency*; D002128:Calcium Metabolism Disorders; D002136:Calcium, Dietary; D006801:Humans; D010279:Parathyroid Diseases
D002136:Calcium, Dietary; D002118:Calcium
BONE DISEASES/etiology; CALCIUM/deficiency