1. Classification of hepatitis C virus into six major genotypes and a series of subtypes by phylogenetic analysis of the NS-5 region
2. Alavian SM, Hajarizadeh B, Ahmadzad-Asl M, Kabir A, Bagheri-Lankarani K. Hepatitis B Virus infection in Iran: A systematic review. Hepat Mon 2008;8:281-294.
3. Smith DB, Mellor J, Jarvis LM, Davidson F, Kolberg J, Urdea M, Yap PL, Simmonds P. Variation of the hepatitis C virus 5’ non-coding region: implications for secondary structure, virus detection and typing. The International HCV Collaborative Study Group. J Gen Virol 1995;76:1749-1761.
4. Lavanchy D. Evolving epidemiology of hepatitis C virus. Clin Microbiol Infect 2011;17:107-115.
5. Lavanchy D. The global burden of hepatitis C. Liver Int 2009;29 Suppl 1:74-81.