[Prevention of osteoporosis in the aged].
D000368:Aged; D002118:Calcium / Q000378:metabolism; D006801:Humans; D010024:Osteoporosis / Q000517:prevention & control*; D014807:Vitamin D / Q000008:administration & dosage
D014807:Vitamin D; D002118:Calcium
Profilaxis de la osteoporosis del anciano.