Tu HM, Kim S-W, Salvatore D, Bartha T, Legradi G, P. Larsen R, Lechan RM. Regional Distribution of Type 2 Thyroxine Deiodinase Messenger Ribonucleic Acid in Rat Hypothalamus and Pituitary and Its Regulation by Thyroid Hormone. Endocrinology. 1997;138(8):3359 - 3368.