A Comparative Study between Intravaginal Sponges and Prostaglandin Injection and their effect on Lambing rate and Birth rate in Awassi sheep. مجلة الجامعة [Internet]. 2020 Oct. 26 [cited 2026 Jun. 6];3(8). Available from: https://journal.hama-univ.edu.sy/huj/article/view/407