title: External quality control for neonatal thyroid screening.
mesh_terms: D006801:Humans; D007037:Hypothyroidism / Q000517:prevention & control*; D007231:Infant, Newborn; D008403:Mass Screening; D011786:Quality Control; D013972:Thyrotropin / Q000097:blood; D013974:Thyroxine / Q000097:blood
chemical_list: D013972:Thyrotropin; D013974:Thyroxine