title: Clinical study of congenital hypothyroidism.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003409:Congenital Hypothyroidism; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis / Q000235:genetics; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013997:Time Factors