DensitometryBone DensityAbsorptiometry, PhotonOsteoporosisBone and BonesOsteoporosis, PostmenopausalFractures, BoneBone RemodelingCalcaneusFemur NeckOsteoporotic FracturesDiphosphonatesLumbar VertebraeFemurGlucocorticoidsBone ResorptionBone MarrowRisk FactorsBone NeoplasmsBone Marrow CellsBone DevelopmentBone DiseasesBone Diseases, MetabolicBone RegenerationBone MatrixBone Marrow TransplantationBone TransplantationElectrophoresis, Cellulose AcetateRetinal PigmentsBone SubstitutesRadiusReproducibility of ResultsChromatography, Thin LayerBone Morphogenetic ProteinsTomography, X-Ray ComputedElectrophoresis, Polyacrylamide Gelalpha 1-Antitrypsin DeficiencyBone Morphogenetic Protein 2Pulmonary EmphysemaSensitivity and SpecificityOsteogenesisMaximal Midexpiratory Flow RateTemporal BoneResidual VolumeTime FactorsParietal BoneTooth SocketSpineFovea CentralisFractures, SpontaneousOphthalmoscopesSpinal FracturesTibiaBone CementsEmphysemaAlveolar Bone LossOsteoblastsColor Vision DefectsData Interpretation, StatisticalBone CystsElectrophoresis, Agar GelPhotographyBody CompositionOsteoclastsRNA, MessengerBlotting, WesternBody WeightFlicker FusionSkinfold ThicknessAutoradiography