Berry MJ, Banu L, P. Larsen R. Type I iodothyronine deiodinase is a selenocysteine-containing enzyme. Nature. 1991;349(6308):438 - 440. 

Berry MJ, Kates A-L, P. Larsen R. Thyroid Hormone Regulates Type I Deiodinase Messenger RNA in Rat Liver. Molecular Endocrinology. 1990;4(5):743 - 748.