B. Tahreem et al., “Genotypes Variation and Molecular Epidemiology Of The Hbv Chronic Liver Infection In The Local Population Of Pakistan: An Overview Of The Recent Literature: Genotypes Variation and Molecular Epidemiology of HBV Chronic Liver Infection”, PBMJ, vol. 5, no. 4, pp. 14–19, Apr. 2022, doi: 10.54393/pbmj.v5i4.372.