title: Neonatal hypothyroid screen--other sources of error, and their elimination.
mesh_terms: D006801:Humans; D007037:Hypothyroidism / Q000097:blood / Q000175:diagnosis*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000097:blood / Q000175:diagnosis*; D008722:Methods; D013974:Thyroxine / Q000097:blood*
chemical_list: D013974:Thyroxine