AROSH, A JOE, et al. “Progesterone, Oestradiol, Luteinizing Hormone and Follicle Stimulating Hormone Profiles and Their Relationship With Superovulatory Response and Quality of Embryos in Crossbred Cows Treated With Folltropin and Prostaglandin F2 α”. The Indian Journal of Animal Sciences, vol. 71, no. 10, Jan. 2014, https://epubs.icar.org.in/index.php/IJAnS/article/view/37044.