S. K. VERMA, D. JHAMB, S. KUMAR, and M. S. SAXENA, “Superovulatory response in relation to trace elements (copper, zinc, iron, manganese and cobalt) in embryo donor cattle”, Indian J of Anim Sci, vol. 78, no. 7, Jan. 2011, Accessed: Jun. 03, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/3267