MagnesiumMagnesium SulfateMagnesium DeficiencyCalcium SignalingMagnesium CompoundsCalcium, DietaryCalcium ChannelsMagnesium OxideCalcium CarbonateCalcium PhosphatesCalcium IsotopesCalcium ChlorideMagnesium HydroxideMagnesium ChlorideCalcium Channels, L-TypeCalcium GluconatePhosphorusCalcium OxalateKineticsCalcium RadioisotopesCalcium CompoundsEgtazic AcidDose-Response Relationship, DrugMolecular StructurePotassiumHydrogen-Ion ConcentrationMineralsCalcium Channels, N-TypeCalciumTime FactorsParathyroid HormoneCalcimycinHypocalcemiaCells, CulturedChelating AgentsStructure-Activity RelationshipSulfur CompoundsCalcium Channel AgonistsAdenosine TriphosphateSodiumVolatile Organic CompoundsMembrane PotentialsAniline CompoundsCations, DivalentIntestinal AbsorptionMagnetic Resonance SpectroscopyMolecular Sequence DataDietNifedipineRats, Sprague-DawleyCalcium HydroxideRabbitsPlant ExtractsBinding SitesEdetic AcidCell LineZincCalcium SulfateFura-2Rats, WistarStrontiumSpectrophotometry, AtomicBone and BonesCytosolVerapamilEnzyme InhibitorsOrganometallic CompoundsDrug Evaluation, PreclinicalAbsorptionProtein BindingMagnesium SilicatesLanthanumSulfhydryl CompoundsMineral WatersModels, MolecularCalcium CitrateElectron Probe MicroanalysisAmino Acid SequenceThapsigarginFluorescent DyesChromatography, High Pressure LiquidManganeseAzo CompoundsBiological Transport, ActivePatch-Clamp TechniquesS100 Calcium Binding Protein GCattleRyanodine Receptor Calcium Release ChannelNeuronsPhenolsKidney CalculiElectrophysiologySignal TransductionCalcium-Binding ProteinsInhibitory Concentration 50Citric AcidIntracellular FluidEclampsiaBiphenyl CompoundsDihydropyridines