Neonatal hypothyroid screen--other sources of error, and their elimination.
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*
D013974:Thyroxine