1. World Health Organization. Hepatitis C Fact Sheet 164. Updated April 2014. [Cited 10 July 2015]. http://www.who.int/mediacentre/factsheets/fs164/en/.
2. Kohnodai Hospital. National Center for Global Health and Medicine. [Cited 10 July 2015]. http://www.ncgm.go.jp/center/forpatient_hcv.html.
3. Genetic heterogeneity of hepatitis C virus;Okamoto;Intervirology,1994
4. World Health Organization. Guidelines for the screening, care and treatment of persons with hepatitis C infection. [Cited 10 July 2015]. http://www.who.int/hiv/pub/hepatitis/hepatitis-c-guidelines/en/.
5. A systematic review of hepatitis C virus epidemiology in Asia, Australia and Egypt;Sievert;Liver Int,2011