SHARMA, R. K., RAWAL, C. V. S., HOQUE, M., ANSARI, M. R., & VARSHEN, V. P. (2007). Ovarian follicular dynamics in normal and repeat breeder cows. The Indian Journal of Animal Reproduction, 28(1), 74-77. https://www.journals.acspublisher.com/index.php/ijar/article/view/5274