HyperparathyroidismParathyroid NeoplasmsHypercalcemiaHyperparathyroidism, PrimaryHyperparathyroidism, SecondaryCalcitriolParathyroidectomyParathyroid HormoneParathyroid GlandsHypocalcemiaReceptors, Calcium-SensingPhosphorusParathyroid Hormone-Related ProteinCalcimimetic AgentsAdenomaCalciumOsteitis Fibrosa CysticaReceptors, CalcitriolErgocalciferolsParathyroid DiseasesRenal OsteodystrophyCalcium SignalingCalcium Channel AgonistsCalcium CarbonateVitamin DParaneoplastic Endocrine SyndromesHypoparathyroidismNaphthalenesPhosphatesCalcium, DietaryKidney Failure, ChronicUremiaMultiple Endocrine Neoplasia Type 1Calcium GluconateRenal DialysisBone and BonesOsteomalaciaTechnetium Tc 99m SestamibiBone ResorptionCalcium ChannelsHyperplasiaDiphosphonatesAlkaline PhosphataseCalcium Metabolism DisordersHydroxycholecalciferolsBone DiseasesHypophosphatemiaVitamin D DeficiencyVitaminsBone Density Conservation AgentsCalcifediolHyperphosphatemiaNephrocalcinosisCalcinosisCholecalciferolCalcitoninAnal SacsBone DensityBone Diseases, MetabolicBone Demineralization, PathologicThyroidectomyChoristoma25-Hydroxyvitamin D3 1-alpha-HydroxylaseDihydrotachysterolOsteocalcinImmunoradiometric AssayParaneoplastic SyndromesPhosphorus, DietaryPhosphorus Metabolism DisordersKidney CalculiDihydroxycholecalciferolsCalciphylaxisHormones, EctopicKidney DiseasesBone RemodelingCalcium PhosphatesTime FactorsJaw NeoplasmsCalcium IsotopesCreatinine