MagnesiumMagnesium SulfateMagnesium DeficiencyMagnesium CompoundsMagnesium OxideMagnesium HydroxideMagnesium ChlorideCalciumPhosphorusAdministration, OralMineralsMagnesium SilicatesRadiation DosageLethal Dose 50Time FactorsDouble-Blind MethodDrug Administration ScheduleEclampsiaPotassiumTocolytic AgentsDietCations, DivalentMineral WatersKineticsZincRadiometryHypocalcemiaInjections, IntravenousSpectrophotometry, AtomicInfusions, IntravenousPhosphatesCalcium, DietaryHydrogen-Ion ConcentrationTreatment OutcomeRadioisotopesTrace ElementsSodiumElectrolytesIntestinal AbsorptionEdetic AcidDose-Response Relationship, RadiationDose FractionationBiological AvailabilityErythrocytesAbsorptionManganeseCitric AcidRadiotherapy DosageAdenosine TriphosphateLyasesKidneyTetanyRats, Sprague-DawleyDrug InteractionsBody WeightCatharticsRats, WistarArea Under CurveNephrocalcinosisElectron Probe MicroanalysisTRPM Cation ChannelsBlood PressureHalf-LifeDietary SupplementsPotassium, DietaryPregnancyDrug Therapy, CombinationCitratesParathyroid HormoneCalcium CarbonateBody BurdenRadiotherapy Planning, Computer-AssistedNutritional RequirementsRabbitsRats, Inbred StrainsFecesRecommended Dietary AllowancesProspective StudiesOrganometallic CompoundsBone and BonesLiverAnalysis of VarianceStearic AcidsAnticonvulsantsBinding SitesCobaltLaxativesDogsDisease Models, AnimalThermoluminescent DosimetryCopperGitelman SyndromeRandom AllocationPhenolphthaleinsAntacidsAdministration, InhalationFluoridesCalcium ChlorideEscherichia coliTemperature