A. J. Al-saadi, Abid, Wisam H. Abdul-Hadi, and Abdullah H . Abdullah. “Histopathological Study of Infection With Parasitic Intestinal Helminthes on Passer Domesticus in Tikrit City, Iraq”. Ibn AL- Haitham Journal For Pure and Applied Sciences 29, no. 1 (March 8, 2017). Accessed May 23, 2022. https://jih.uobaghdad.edu.iq/index.php/j/article/view/65.