Screening for congenital deficiency of thyroid hormone.
D003409:Congenital Hypothyroidism; D006801:Humans; D007037:Hypothyroidism / Q000453:epidemiology; D007231:Infant, Newborn; D008403:Mass Screening; D011863:Radioimmunoassay; D013974:Thyroxine / Q000172:deficiency*
D013974:Thyroxine