Wiertz Emmanuel J, Devlin Robert, Collins Helen L, Ressing Maaike E
Department of Medical Microbiology, Leiden University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands.
J Virol. 2007 May;81(9):4389-96. doi: 10.1128/JVI.01525-06. Epub 2006 Nov 1.