W. M. Ahmed and S. I. Shalaby, “Temporal relationship between plasma progesterone and oxytocin profiles in relation to ovarian activity in sheep”, Indian J of Anim Sci, vol. 68, no. 11, July 2012, Accessed: Oct. 03, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/22429