title: Calcium and vitamin D are effective in preventing fractures in elderly people by reversing senile secondary hyperparathyroidism.
authors: P J
authors: PJ
authors: Meunier
mesh_terms: D002118:Calcium / Q000627:therapeutic use*; D005260:Female; D005598:Fractures, Spontaneous / Q000517:prevention & control*; D006801:Humans; D006962:Hyperparathyroidism, Secondary / Q000150:complications / Q000188:drug therapy*; D008297:Male; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D014807:Vitamin D; D002118:Calcium