Demir, M., C. Kaçar, U. Arı, O. Merhan, and T. Bekyürek. “Effects of Estradiol, Progesterone and Kisspeptin-1 Concentrations at the Time of Insemination on Conception Rates in Cattle”. 2023. Journal of the Hellenic Veterinary Medical Society, vol. 74, no. 2, July 2023, pp. 5537-42, doi:10.12681/jhvms.27527.