S. D. KHARCHE, A. MAJUMDAR, S. K. AGARWAL, and G. T. SHARMA, “Ovarian and endocrine response following pretreatment with human chorionic gonadotrophin and estradiol valerate in PMSG treated crossbred cows”, Indian J of Anim Sci, vol. 78, no. 5, Mar. 2011, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/4710