IodineIodine RadioisotopesRadioisotopesZinc RadioisotopesIodine CompoundsRadioisotope Dilution TechniqueStrontium RadioisotopesKrypton RadioisotopesGoiter, EndemicIndium RadioisotopesGoiterSodium RadioisotopesRadionuclide ImagingRadioactivityBarium RadioisotopesYttrium RadioisotopesTin RadioisotopesCarbon RadioisotopesIron RadioisotopesCopper RadioisotopesThyroid GlandPhosphorus RadioisotopesPotassium IodideBeta ParticlesSodium Chloride, DietaryTechnetiumMercury RadioisotopesTechnetium Tc 99m Sulfur ColloidCesium IsotopesIsotope LabelingPovidone-IodineCerium RadioisotopesCobalt IsotopesDeficiency DiseasesHafniumGold RadioisotopesRadioimmunotherapyLead RadioisotopesDiagnostic Techniques, RadioisotopeAstatineZinc IsotopesSulfur RadioisotopesCadmium RadioisotopesRadiopharmaceuticalsIodidesIodophorsSoil Pollutants, RadioactiveLutetiumRheniumThyrotropinBromine RadioisotopesSamariumScintillation CountingSubdural EffusionCalcium IsotopesRadioactive WasteSerum Albumin, Radio-IodinatedCongenital HypothyroidismThyroxineRuthenium RadioisotopesThyroid Function TestsIodized OilRadiometric DatingThyroglobulinIodine IsotopesSelenium RadioisotopesAlpha ParticlesMethodsTissue DistributionHeterocyclic Compounds, 1-RingSodium Pertechnetate Tc 99mTungstenThyroid DiseasesIsotopesRadioisotope TeletherapyPentetic AcidHypothyroidismWhole-Body CountingSpectrometry, GammaIodoproteinsNuclear MedicineTechnetium Tc 99m PentetateRadiometryThyroid HormonesRosaniline DyesRadiation DosageTritiumHyperthyroidismNostoc communeIodide PeroxidaseCesium RadioisotopesPotassium RadioisotopesIodohippuric AcidPerchloratesCarbon IsotopesIntestinal AbsorptionDiiodotyrosineThyroid NeoplasmsSodium IodidePositron-Emission Tomography