Cengiz, A. T., Kıyan, M., Uğurel, M. Şahin, Özyedek, Z. and Özdöl, Çağatay (1992) “Routes of Contamination and Risk Groups in Hepatitis B Virus (HBV) Infections-I”, European Journal of Therapeutics, 3(2), pp. 300–307. doi: 10.58600/eurjther.19920302-1477.