Kayacetin, E., G. Kisakol, and A. Kaya. “Low Serum Total Thyroxine and Free Triiodothyronine in Patients With Hepatic Encephalopathy Due to Non-Alcoholic Cirrhosis”. Swiss Medical Weekly, vol. 133, no. 1314, Apr. 2003, pp. 210-3, doi:10.4414/smw.2003.10172.