DensitometryBone DensityAbsorptiometry, PhotonOsteoporosisBone and BonesOsteoporosis, PostmenopausalFractures, BoneBone RemodelingCalcaneusFemur NeckOsteoporotic FracturesDiphosphonatesLumbar VertebraeFemurGlucocorticoidsBone ResorptionBone MarrowBone NeoplasmsBone DevelopmentBone Marrow CellsRisk FactorsBone DiseasesBone Diseases, MetabolicVisual FieldsBone RegenerationElectromagnetic FieldsBone MatrixBone Marrow TransplantationBone TransplantationElectrophoresis, Cellulose AcetateRetinal PigmentsBone SubstitutesRadiusChromatography, Thin LayerBone Morphogenetic ProteinsMagnetic Fieldsalpha 1-Antitrypsin DeficiencyBone Morphogenetic Protein 2Electrophoresis, Polyacrylamide GelPulmonary EmphysemaOsteogenesisTomography, X-Ray ComputedMaximal Midexpiratory Flow RateTemporal BoneResidual VolumeFovea CentralisReproducibility of ResultsParietal BoneTooth SocketOphthalmoscopesFractures, SpontaneousSpineSpinal FracturesTime FactorsEmphysemaOsteoblastsColor Vision DefectsSensitivity and SpecificityTibiaAlveolar Bone LossBone CementsVisual Field TestsPhotographyElectrophoresis, Agar GelBone CystsOsteoclastsFlicker FusionBody CompositionPupilPhotoreceptor CellsBlotting, WesternLasersBody WeightSkinfold Thickness