Preventing osteoporosis.
D000368:Aged; D015519:Bone Density / Q000502:physiology; D015914:Estrogen Replacement Therapy; D015444:Exercise / Q000502:physiology; D005260:Female; D006801:Humans; D008875:Middle Aged; D015663:Osteoporosis, Postmenopausal / Q000517:prevention & control*; D012982:Sodium, Dietary / Q000008:administration & dosage
D012982:Sodium, Dietary