Comparative anatomical study of oesophagus in two birds, Iraqi black partridge (Francolinus francolinus) and White breasted kingfisher (Halcyon smyrnensis ) . JMAU [Internet]. 2016 Jun. 30 [cited 2026 Feb. 23];8(1):146-57. Available from: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/137