MagnesiumMagnesium SulfateMagnesium DeficiencyMagnesium CompoundsMagnesium OxideMagnesium HydroxideMagnesium ChlorideCalciumPhosphorusMineralsMagnesium SilicatesTreatment OutcomeEclampsiaTocolytic AgentsPotassiumMineral WatersCations, DivalentDietNeoplasm GradingTime FactorsZincHypocalcemiaPrognosisSpectrophotometry, AtomicCalcium, DietaryNeoplasm StagingPhosphatesInfusions, IntravenousHydrogen-Ion ConcentrationAntineoplastic Combined Chemotherapy ProtocolsRetrospective StudiesTrace ElementsKineticsSodiumDose-Response Relationship, DrugAstrocytomaEdetic AcidElectrolytesFollow-Up StudiesCitric AcidProspective StudiesManganeseBrain NeoplasmsLyasesAdenosine TriphosphateTetanySurvival AnalysisSurvival RateDisease-Free SurvivalErythrocytesNephrocalcinosisElectron Probe MicroanalysisTRPM Cation ChannelsCatharticsAdministration, OralBreast NeoplasmsIntestinal AbsorptionImmunohistochemistryRisk FactorsDouble-Blind MethodNeoplasm Recurrence, LocalPotassium, DietaryGliomaAbsorptionRadioisotopesCitratesRecommended Dietary AllowancesTumor Markers, BiologicalDisease ProgressionNutritional RequirementsCalcium CarbonateSeverity of Illness IndexParathyroid HormoneAdenocarcinomaDietary SupplementsCombined Modality TherapyStearic AcidsFluorouracilKidneyCattleBody WeightCisplatinMaximum Tolerated DoseBinding SitesCobaltBone and BonesGitelman SyndromeAntineoplastic AgentsDeoxycytidineMetalsLaxativesCopperKaplan-Meier EstimatePhenolphthaleinsAlloysAnalysis of VariancePregnancyStrontiumFluoridesOrganometallic Compounds