Characterization of two recombinant HVT-IBD vaccines by VP2 insert detection and cell-mediated immunity after vaccination of specific pathogen-free chickens., Ingrao, Fiona, Rauw Fabienne, van den Berg Thierry, and Lambrecht Bénédicte , Avian Pathol, 2017 Jun, Volume 46, Issue 3, p.289-299, (2017)