“Estimation of Fetal Age in Sheep by Measurement of Transthoracic , Transabdominal, Cotyledon Length and Width by Using Real- Time Ultrasonography: H.M AL-Rawi , S.N. Omran , K. A. Hussein”. The Iraqi Journal of Veterinary Medicine 31, no. 2 (December 31, 2007): 122–132. Accessed May 8, 2024. https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/794.