title: Lactase deficiency in osteoporosis.
mesh_terms: D000367:Age Factors; D000368:Aged; D002118:Calcium / Q000378:metabolism; D005260:Female; D006801:Humans; D006996:Hypocalcemia / Q000150:complications*; D007787:Lactose Intolerance / Q000150:complications*; D008593:Menopause; D008875:Middle Aged; D010024:Osteoporosis / Q000209:etiology*
chemical_list: D002118:Calcium