Masdooq, A.A., A.E. Salihu, A. Muazu, A.K. Habu, J. Ngbede, G. Haruna, and M.Y. Sugun. 2008. “Pathogenic Bacteria Associated With Respiratory Disease in Poultry With Reference to Pasteurella Multocida”. International Journal of Poultry Science 7 (7): 674–675. https://doi.org/10.3923/ijps.2008.674.675.