Femur NeckBone DensityAbsorptiometry, PhotonOsteoporosisOsteoporosis, PostmenopausalLumbar VertebraeBone and BonesBone Diseases, MetabolicMineralsHip FracturesBone RemodelingFemurFractures, BoneRadiusHipBone ResorptionSpineBone Density Conservation AgentsOsteocalcinAlendronateBone DevelopmentNeckOsteoporotic FracturesPostmenopauseCalcaneusBone Demineralization, PathologicHip JointCalcium, DietarySpinal FracturesParathyroid HormoneTibiaHead and Neck Neoplasms