KASHEM, M.; PARVEJ, M.; HASHEM, M.; MOULA, M.; KIBRIA, A. Determination of serum antibody titres and immune status of layer flocks against Newcastle Disease virus at Chittagong district of Bangladesh. International Journal of Natural Sciences, [S. l.], v. 1, n. 2, p. 35–38, 2011. DOI: 10.3329/ijns.v1i2.8818. Disponível em: https://banglajol.info/index.php/iJNS/article/view/8818. Acesso em: 26 may. 2022.