Haji, M. M., Ahmed, F. A., Lalrintluanga, K., Talukdar, D. J., Doley, P. J., Behera, S. K., & Sarma, K. (2018). The Role of Estrogen and Progesterone Hormone on Vaginal Cytology in Bitch. International Journal of Livestock Research, 8(9), 241–247. Retrieved from http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1615