Prevention of mental subnormality due to hypothyroidism.
D003409:Congenital Hypothyroidism / Q000517:prevention & control*; D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis / Q000188:drug therapy; D007223:Infant; D013974:Thyroxine / Q000008:administration & dosage
D013974:Thyroxine