title: Letter: Screening for neonatal hypothyroidism.
mesh_terms: D006801:Humans; D007037:Hypothyroidism / Q000175:diagnosis*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D011863:Radioimmunoassay / Q000379:methods; D013972:Thyrotropin
chemical_list: D013972:Thyrotropin