Patel Manish M, Hall Aron J, Vinjé Jan, Parashar Umesh D
Epidemiology Branch, Division of Viral Diseases, National Center for Immunizations and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, United States.
J Clin Virol. 2009 Jan;44(1):1-8. doi: 10.1016/j.jcv.2008.10.009. Epub 2008 Dec 11.