CopperIsotopesIntestinal AbsorptionAbsorptionZinc IsotopesCeruloplasminPhytic AcidBiological AvailabilityFecesZincDietCopper SulfateSpectrophotometry, AtomicCation Transport ProteinsSkin AbsorptionIronX-Ray Absorption SpectroscopyHepatolenticular DegenerationMenkes Kinky Hair SyndromeSpectrophotometryJejunumSpectrum AnalysisCopper RadioisotopesIntestine, SmallTrace ElementsZinc RadioisotopesIntrauterine Devices, CopperMetallothioneinAdministration, OralMetal Metabolism, Inborn ErrorsBiological Transport