NAYYAR, SHASHI, VARINDER KAUR GILL, NARINDER SINGH, K S ROY, and RAJVIR SINGH. 2014. “Levels of Antioxidant Vitamins in Anoestrus Buffalo Heifers Supplemented With Vitamin E and Selenium”. The Indian Journal of Animal Sciences 72 (5). https://epubs.icar.org.in/index.php/IJAnS/article/view/37594.