OsteoporosisOsteoporosis, PostmenopausalBone DensityBone Density Conservation AgentsOsteoporotic FracturesFractures, BoneDiphosphonatesAbsorptiometry, PhotonFractures, SpontaneousAlendronateBone and BonesBone Diseases, MetabolicTeriparatideSpinal FracturesEtidronic AcidBone RemodelingBone ResorptionFemur NeckLumbar VertebraeHip FracturesRaloxifeneFemurOsteoclastsCalcaneusCalcium, DietaryOsteoblastsVitamin DGlucocorticoidsSelective Estrogen Receptor ModulatorsRisk FactorsSpineOsteogenesisCalcitoninOsteocalcinHipRANK LigandOvariectomyEstrogen Replacement TherapyParathyroid HormoneBone DiseasesIliumDensitometryOsteoprotegerinAlkaline PhosphataseAccidental FallsPostmenopauseRadiusCollagen Type ISpinal InjuriesOsteomalaciaCalciumMetacarpusJaw DiseasesForearm InjuriesEstrogensMenopauseTibiaBone DevelopmentFemoral Neck FracturesMineralsAge FactorsMass ScreeningFractures, CompressionBiological MarkersPrevalenceMenCathepsin KThoracic VertebraeCalcification, PhysiologicCross-Sectional StudiesAgingHormone Replacement TherapyAnabolic AgentsEndocrine System DiseasesOsteonecrosisBack PainHip JointMicroradiographyRisk AssessmentThiophenesVitamin D DeficiencyLow Density Lipoprotein Receptor-Related Protein-5Treatment OutcomeFemoral FracturesBone Demineralization, PathologicX-Ray MicrotomographyOsteocytesDietary SupplementsTime FactorsKyphosisSex FactorsSpinal DiseasesHypogonadismCholecalciferolRetrospective StudiesCanadaReceptor Activator of Nuclear Factor-kappa BMinority HealthHydroxycholecalciferolsDisease Models, Animal