title: Thyroxine levels in normal newborn infants.
mesh_terms: D000367:Age Factors; D001769:Blood; D006801:Humans; D007231:Infant, Newborn; D007457:Iodine Radioisotopes; D013974:Thyroxine / Q000097:blood*; D014470:Umbilical Cord
chemical_list: D007457:Iodine Radioisotopes; D013974:Thyroxine