Bone DensityOsteoporosisBone and BonesAbsorptiometry, PhotonDensitometryBone RemodelingOsteoporosis, PostmenopausalFractures, BoneBone Diseases, MetabolicRadiusLumbar VertebraeFemurBone ResorptionBone DevelopmentRadiographic Image Interpretation, Computer-AssistedMammographyRadiographic Image EnhancementReproducibility of ResultsBone MarrowFemur NeckBone DiseasesTomography, X-Ray ComputedBone Marrow CellsBone Density Conservation AgentsBone NeoplasmsCalibrationBone RegenerationTibiaSpinePhantoms, ImagingHipCalcium, DietaryBone TransplantationBreastArm BonesRisk FactorsCalcaneusBone MatrixAlgorithmsOsteocalcinBone Marrow TransplantationDiphosphonatesOsteogenesisPelvic BonesTime FactorsMetacarpusBone SubstitutesAlkaline PhosphataseWeight-BearingAlendronateBiomechanical PhenomenaX-Ray MicrotomographyBone Morphogenetic Protein 2OsteoblastsMandibleBone Demineralization, PathologicOsteoclastsParathyroid HormoneOsseointegrationAlveolar Bone LossPopulation DensityBone Morphogenetic ProteinsMineralsCalciumIliumFractures, SpontaneousMenopauseBiological MarkersReference ValuesBone CementsCentrifugation, Density GradientUlnaCross-Sectional StudiesTemporal BoneCalcification, PhysiologicDental ImplantsProspective StudiesBody WeightPostmenopauseHip FracturesAgingParietal BoneVitamin DEtidronic AcidAnalysis of VarianceStress, MechanicalImage Processing, Computer-AssistedBody CompositionRegression AnalysisAmenorrheaAge FactorsSpinal FracturesOsteoporotic FracturesSkullModels, BiologicalCollagen Type ISensitivity and SpecificityCalcium CitrateHumerusFollow-Up Studies