MERINO, Ruben; VILLEGAS, Hilda; QUINTANA, Jose A.; CALDERON, Norma. Comparison of the Virulence of Pathogenic Newcastle Disease Viruses Belonging to the Same or Different Genotypes. International Journal of Poultry Science, Pakistan, v. 10, n. 9, p. 713–720, 2011. DOI: 10.3923/ijps.2011.713.720. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1689. Acesso em: 23 sep. 2025.