Lange C, Sarrazin C (2013). "Hepatitis C: New Drugs". In Mauss S, Berg T, Rockstroh J, Sarrazin C (eds.). Hepatology 2013 a clinical textbook(PDF) (4th ed.). Düsseldorf: Flying Publisher. ISBN978-3-924774-90-5. Archived from the original(PDF) on 29 April 2014. Retrieved 28 April 2014.
Lange C, Sarrazin C (2013). "Hepatitis C: New Drugs". In Mauss S, Berg T, Rockstroh J, Sarrazin C (eds.). Hepatology 2013 a clinical textbook(PDF) (4th ed.). Düsseldorf: Flying Publisher. ISBN978-3-924774-90-5. Archived from the original(PDF) on 29 April 2014. Retrieved 28 April 2014.