S. DEY, D. SWARUI, and S. K. DWIVEDI, “Effect of oral doses of lead on immune response in calves”, Indian J of Anim Sci, vol. 64, no. 12, Jul. 2013, Accessed: Oct. 24, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/31271