Letter: Incidence of goiter in an elementary school population.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D006042:Goiter / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008824:Michigan; D044469:Racial Groups; D012737:Sex Factors