Z. Bayraktaroğlu, Y. Coşkun, M. Karaoğlan, and E. Sivaslı, “Prevalence of Hepatitis B in Gaziantep Province,Turkey: A Hospital-Based Serosurvey of 2045 Children”, Eur J Ther, vol. 10, no. 1, 2, pp. 14–17, Jan. 1999.