title: Low butanol-extractable-iodine levels in the serum of patients with Down's syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000503:physiopathology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000503:physiopathology*