Setting up a SPF chicken model for the pathotyping of West Nile virus (WNV) strains., Dridi, M, Rauw Fabienne, Muylkens B, Lecollinet S, van den Berg Thierry, and Lambrecht Bénédicte , Transbound Emerg Dis, 2013 Nov, Volume 60 Suppl 2, p.51-62, (2013)