HypocalcemiaOsteoporosisOsteoporosis, PostmenopausalHypoparathyroidismParathyroid HormoneBone Density Conservation AgentsMagnesium DeficiencyBone DensityCalcium GluconateThyroidectomyParathyroid GlandsDiphosphonatesPseudohypoparathyroidismHypercalcemiaReceptors, Calcium-SensingOsteoporotic FracturesFractures, BoneBone and BonesCalciumParathyroidectomyAbsorptiometry, PhotonFractures, SpontaneousAlendronateVitamin DPhosphorusBone ResorptionBone Diseases, MetabolicCalcium, Dietary22q11 Deletion SyndromeCalcitoninHyperparathyroidism, SecondaryRicketsHyperparathyroidismTeriparatideSpinal FracturesVitamin D DeficiencyCalcitriolEtidronic AcidOsteomalaciaMagnesiumBone RemodelingBone DiseasesPhosphatesFemur NeckCalcium Metabolism DisordersParathyroid DiseasesDiGeorge SyndromeHyperparathyroidism, PrimaryLumbar VertebraeTetanyOsteoclastsHip FracturesRenal OsteodystrophyThyroid DiseasesGraves DiseaseRaloxifeneHydroxycholecalciferolsHypophosphatemiaRisk FactorsMagnesium SulfateParathyroid NeoplasmsAlkaline PhosphataseHyperphosphatemiaCalcium ChlorideCholecalciferolPostoperative ComplicationsFemurCalcaneusSyntaxin 16Chelation Therapy