H. K. Mukhopadhyay, N. Dorairajan, V. T. George, and N. D. J. Chandran, “Pathology of the reproductive organs of layer birds in infectious bronchitis infection *”, Indian J of Anim Sci, vol. 69, no. 6, Jul. 2012, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/20611