Prevalence and Infection Rate of Three Gizzard Nematodes in the Mallard Anas Platyrhynchos L., 1758 Collected in Al-Diwaniya and Diyala Provinces , Central Iraq. IHJPAS [Internet]. 2016 Dec. 29 [cited 2024 May 4];24(3). Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/815