Potency of a recombinant NDV-H5 vaccine against various HPAI H5N1 virus challenges in SPF chickens., Lardinois, Amélyne, Steensels Mieke, Lambrecht Bénédicte, Desloges Nathalie, Rahaus Markus, Rebeski Dierk, and van den Berg Thierry , Avian Dis, 2012 Dec, Volume 56, Issue 4 Suppl, p.928-36, (2012)