title: Congenital hypothyroidism: study of etiological aspect.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003409:Congenital Hypothyroidism; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000000981:diagnostic imaging / Q000209:etiology; D008297:Male; D011877:Radionuclide Imaging; D013960:Thyroid Function Tests