Combination therapy for osteoporosis.
D019386:Alendronate / Q000627:therapeutic use*; D015519:Bone Density / Q000187:drug effects; D004359:Drug Therapy, Combination; D004967:Estrogens / Q000627:therapeutic use; D005260:Female; D020249:Hormone Replacement Therapy; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000517:prevention & control*
D004967:Estrogens; D019386:Alendronate