Alanine aminotransferase deficiency in a hepatitis B surface antigen positive patient presenting with acute hepatitis - AKARSU, Mesut; TANKURT, Ethem; TUNCA, Mehmet; ÖZSAN, Hayri; TUTUCU, Kutlay N.; ÖRMEN, Murat; ÖNVURAL, Banu (Turkish Journal of Gastroenterology, 2002)