AlendronateBone Density Conservation AgentsOsteoporosis, PostmenopausalEtidronic AcidDiphosphonatesBone DensityOsteoporosisBone RemodelingFractures, BoneTeriparatideFemoral FracturesBone ResorptionFemurSpinal FracturesBone and BonesRaloxifeneHydroxycholecalciferolsFractures, SpontaneousTibiaCollagen Type IDrugs, GenericBone Diseases, MetabolicSpineAdministration, OralBone Demineralization TechniqueLumbar VertebraeClodronic AcidGeranyltranstransferase