title: Vitamin D deficiency after gastrectomy.
mesh_terms: D000818:Animals; D002113:Calcification, Physiologic / Q000187:drug effects; D002118:Calcium / Q000378:metabolism; D006801:Humans; D007408:Intestinal Absorption; D008286:Malabsorption Syndromes / Q000209:etiology; D010018:Osteomalacia / Q000453:epidemiology / Q000209:etiology; D010710:Phosphates / Q000097:blood; D011178:Postgastrectomy Syndromes; D014807:Vitamin D / Q000502:physiology; D014808:Vitamin D Deficiency / Q000175:diagnosis / Q000209:etiology*
chemical_list: D010710:Phosphates; D014807:Vitamin D; D002118:Calcium