title: Vitamin D metabolism and the response to 1,25-dihydroxycholecalciferol in osteoporosis.
mesh_terms: D000368:Aged; D002118:Calcium / Q000378:metabolism; D002762:Cholecalciferol / Q000378:metabolism*; D004100:Dihydroxycholecalciferols; D005243:Feces / Q000032:analysis; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols; D008875:Middle Aged; D010024:Osteoporosis / Q000378:metabolism*
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D002762:Cholecalciferol; D002118:Calcium