Bone densitometry.
D015502:Absorptiometry, Photon / Q000379:methods; D019386:Alendronate / Q000627:therapeutic use; D015519:Bone Density; D005260:Female; D006801:Humans; D008875:Middle Aged; D010024:Osteoporosis / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000517:prevention & control
D019386:Alendronate