S. Dey, D. Swarup, and S. K. Dwivedi, “Effect of automobile exhaust on blood lead level of lactating Indian cows”, Indian J of Anim Sci, vol. 69, no. 9, Jul. 2012, Accessed: Jul. 15, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/21205