E. A. . Abdelnaby, A. M. Abo El-Maaty, . R. . Ragab, and A. Seida, “A Ovsynch Produced Larger Follicles and Corpora Lutea of Lower Blood Flow associated Lower Ovarian and Uterine Blood Flows, Estradiol and Nitric Oxide in Cows : Ovsynch ovarian response and blood flow of cows ”, JAVR, vol. 10, no. 3, pp. 165-176, Jul. 2020.