title: Intellectual assessment in primitive societies, with a preliminary report of a study of the effects of early iodine supplementation on intelligence.
mesh_terms: D002675:Child, Preschool; D003409:Congenital Hypothyroidism / Q000175:diagnosis*; D003469:Culture; D004484:Ecuador; D005260:Female; D005865:Gestational Age; D006043:Goiter, Endemic / Q000188:drug therapy*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000175:diagnosis*; D007360:Intelligence / Q000187:drug effects*; D007361:Intelligence Tests; D007455:Iodine / Q000008:administration & dosage / Q000627:therapeutic use*; D008297:Male; D008431:Maternal-Fetal Exchange; D010865:Pilot Projects; D011247:Pregnancy; D011248:Pregnancy Complications / Q000188:drug therapy
chemical_list: D007455:Iodine