S. ARSLAN, Y. BAYRAKTAR, U. YASAVUL, Ş. ÇAĞLAR, and B. KAYHAN, “The Levels of Complements and the Frequency of Class II Major Histocompatibility Complex Antigens in Patients with Autoimmun Chronic Liver Disease”, Turkish Journal of Gastroenterology, vol. 5, no. 3, pp. 478–480, Jan. 1994.