P. KUMAR and P. KUMAR, “Histology, histochemistry and scanning electron microscopic studies on the tubal tonsil of sheep”, Indian J of Anim Sci, vol. 82, no. 1, Jan. 2012, Accessed: Oct. 29, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/13854