1. Functional balance between haemagglutinin and neuraminidase in influenza virus infections;Wagner;Rev Med Virol,2002
2. Pandemic (H1N1) 2009. Disponible en: http://www.who.int/csr/disease/swineflu/en/index.html
3. CDC. Swine Influenza A (H1N1) Infection in Two Children-Southern California 2009; 3–4: 400–2
4. CDC. Intensive-Care Patients With Severe Novel Influenza A (H1N1) Virus Infection–Michigan 2009; 6–7: 1–4
5. Swine influenza viruses: a North American perspective;Vincent;Adv Virus Res,2008