PRAKASH, B S, P PALTA, N BANSAL, R S MANIK, and M L MADAN. 2013. “Development of a Sensitive, Direct Enzyme Immunoassay for Progesterone Determination in Follicular Fluid from Individual Buffalo Ovarian Follicles”. The Indian Journal of Animal Sciences 67 (8). https://epubs.icar.org.in/index.php/IJAnS/article/view/34882.