Jabeen, Asma, Khalid Naeem, Zaheer Ahmed, and Naila Siddique. “Effect of Antigen Source on the Sensitivity of Avian Influenza Virus Haemagglutination Inhibition Test”. International Journal of Poultry Science 9, no. 1 (December 15, 2009): 28–31. Accessed September 22, 2025. https://ijpsjournal.org/index.php/ijps/article/view/1336.