Mesut AKARSU; Ethem TANKURT; Mehmet TUNCA; Hayri ÖZSAN; Kutlay N. TUTUCU; Murat ÖRMEN; Banu ÖNVURAL. Alanine Aminotransferase Deficiency in a Hepatitis B Surface Antigen Positive Patient Presenting With Acute Hepatitis. Turkish Journal of Gastroenterology 2019, 13, 60-62.