LanthanumManganese CompoundsHyperphosphatemiaPhosphorus Metabolism DisordersTooth PermeabilityIntercellular JunctionsThuliumBenzoinPhosphorus CompoundsCalciumMetals, Rare EarthPhosphatesFreeze FracturingCeriumPhosphorusMicroscopy, ElectronColubridaeCell Membrane PermeabilityNeurilemmaZeatinAcidulated Phosphate Fluoride