Martins, G.R.V. et al. 2012. Relevance of Lovebirds (Agapornis roseicollis Selby, 1836) in Experimental Epidemiology of Newcastle Disease. International Journal of Poultry Science. 11, 5 (Apr. 2012), 338–340. DOI:https://doi.org/10.3923/ijps.2012.338.340.