1.
Mahmood M, Siddique M, Hussain I. Carrier State Studies of Infectious Bronchitis Virus in Asymptomatic Layer in Pakistan. Int. J. Poult. Sci. [Internet]. 2004 Jul. 15 [cited 2025 Sep. 22];3(8):547–549. Available from: https://ijpsjournal.org/index.php/ijps/article/view/231