title: Letter: Reverse T3 in screening for neonatal hypothyroidism.
mesh_terms: D005312:Fetal Blood / Q000032:analysis; D006801:Humans; D007037:Hypothyroidism / Q000097:blood / Q000175:diagnosis*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000097:blood / Q000175:diagnosis*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine