title: Nutrition 12--calcium metabolism.
mesh_terms: D000328:Adult; D000818:Animals; D002136:Calcium, Dietary; D004032:Diet; D005260:Female; D006801:Humans; D007774:Lactation; D008875:Middle Aged; D010024:Osteoporosis / Q000209:etiology*; D010758:Phosphorus; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*
chemical_list: D002136:Calcium, Dietary; D010758:Phosphorus