Comparison of single 1-day-old chick vaccination using a Newcastle disease virus vector with a prime/boost vaccination scheme against a highly pathogenic avian influenza H5N1 challenge., Ferreira, Helena Lage, Rauw Fabienne, Pirlot Jean François, Reynard Frédéric, van den Berg Thierry, Bublot Michel, and Lambrecht Bénédicte , Avian Pathol, 2014, Volume 43, Issue 1, p.68-77, (2014)