title: [Aging, bones and calcium--aging and bone changes (1)].
mesh_terms: D000368:Aged; D000375:Aging; D001842:Bone and Bones / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism*; D006801:Humans; D010024:Osteoporosis / Q000378:metabolism
chemical_list: D002118:Calcium