Cengiz, A. T., M. Kıyan, M. Şahin Uğurel, Z. Özyedek, and Çağatay Özdöl. “Routes of Contamination and Risk Groups in Hepatitis B Virus (HBV) Infections-I”. European Journal of Therapeutics, vol. 3, no. 2, June 1992, pp. 300-7, doi:10.58600/eurjther.19920302-1477.