1. Huttunen P, Santti J, Pulli T, Hyypiä T: The major echovirus group is genetically coherent and related to coxsackie B viruses. J Gen Virol 1996, 77: 715-725. 10.1099/0022-1317-77-4-715
2. Mayo M, Pringle CR: Virus taxonomy. J Gen Virol 1998, 79: 649-657.
3. Oberste MS, Maher K, Kilpatrick DR, Pallansch MA: Molecular evolution of the human enteroviruses: Correlation of serotype with VP1 sequence and application to picornavirus classification. J Virol 1999, 73: 1941-1948.
4. Stanway G, Brown F, Christian P, Hovi T, Hyypiä T, King AMQ, Knowles NJ, Lemon SM, Minor PD, Pallansch MA, Palmenberg AC, Skern T: Family Picornaviridae. In Virus Taxonomy Eighth Report of the International Committee on Taxonomy of Viruses. Edited by: Fauquet CM, Mayo MA, Maniloff J, Desselberger U, Ball LA. London: Elsevier Academic Press; 2005:757-778.
5. Melnick JL: Enteroviruses: polioviruses, coxsackieviruses, echoviruses, and newer enteroviruses. In Fields Virology. 3rd edition. Edited by: Fields BN, Knipe DM, Howley PM, Channock RM, Melnick JL, Monath TP, Roizman B, Straus SE. Philadelphia: Lippincott-Raven Publishers; 1996:655-712.