SUBRAMANIAN, A, et al. “Superovulation and Embryo Recovery in Crossbred Cows Treated With Single Dose of FSH Dissolved in Polyvinyl Pyrrolidone”. The Indian Journal of Animal Reproduction, vol. 26, no. 2, Apr. 2023, pp. 165-7, https://acspublisher.com/journals/index.php/ijar/article/view/6438.