AlendronateBone Density Conservation AgentsOsteoporosis, PostmenopausalEtidronic AcidDiphosphonatesBone DensityOsteoporosisBone RemodelingFractures, BoneTeriparatideFemoral FracturesBone ResorptionFemurSpinal FracturesBone and BonesDrugs, GenericRaloxifeneCosmeticsHydroxycholecalciferolsFractures, SpontaneousCollagen Type ITibiaBone Diseases, MetabolicSpineBone Demineralization TechniqueLumbar VertebraeGeranyltranstransferaseClodronic Acid