IodineGoiter, EndemicGoiterSodium Chloride, DietaryDeficiency DiseasesIodized OilCongenital HypothyroidismSikkimThyroid GlandThyrotropinIndiaPrevalenceCerebroside-SulfataseCross-Sectional StudiesZellweger SyndromeSulfatasesImmunologic Deficiency SyndromesPotassium IodideIodine CompoundsMenkes Kinky Hair SyndromeHypothyroidismThyroid HormonesThyroid Function TestsThyroxineRural PopulationThyroid DiseasesRepublic of BelarusIodide PeroxidaseMicrobodiesUkraineIodatesBrain Diseases, MetabolicNutritional StatusIodine RadioisotopesRadioactive Hazard ReleasePlacental Function TestsPalpationThyroglobulinSelenium