OLADELE, Sunday Blessing; ESIEVO, King Akpofure Nelson; ABDU, Paul; NOK, Andrew Jonathan. In vitro Effects of Calcium, Magnesium, Mercury and Copper Ions on Neuraminidase of a Nigerian Newcastle Disease Virus Strains. International Journal of Poultry Science, Pakistan, v. 7, n. 6, p. 565–569, 2008. DOI: 10.3923/ijps.2008.565.569. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/994. Acesso em: 22 sep. 2025.