1. Incidence of adamantane resistance among influenza A (H3N2) viruses isolated worldwide from 1994 to 2005: a cause for concern;Bright;Lancet,2005
2. Diagnostic procedures for viral, rickettsial and chlamydial infections,1995
3. World Health Organization. Protocol for antiviral susceptibility testing by pyrosequencing. Last access date: 15 July 2009. Available form http://who.int/csr/resources/publications/swineflu/pyrosequencing_protocol/en/.
4. Oseltamivir- and amantadine-resistant influenza viruses A (H1N1);Cheng;Emerg Infect Dis,2009
5. World Health Organization. Viruses resistant to oseltamivir (Tamiflu) identified. Last access date: 15 July 2009. Available form http://www.who.int/csr/disease/swineflu/notes/h1n1_antiviral_resistance_20090708.