MAURYA, S K, and A K MATHUR. “Oestrogen and Progesterone Concentration in Frieswal Cows During Superovulation”. The Indian Journal of Animal Sciences 80, no. 8 (August 12, 2010). Accessed October 16, 2026. https://epubs.icar.org.in/index.php/IJAnS/article/view/348.