AL-RAWI, H. M. 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, Baghdad, Iraq., v. 31, n. 2, p. 122–132, 2007. DOI: 10.30539/iraqijvm.v31i2.794. Disponível em: https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/794.. Acesso em: 11 dec. 2025.