Madkour, Fatma, Salma A. Mohamed, Kamal E. H. Abdalla, and Yasser A. Ahmed. 2022. “Post-Hatching Development of Ventriculus in Muscovy Duck: Light and Electron Microscopic Study”. Journal of Advanced Veterinary Research 12 (1):42-53. https://advetresearch.com/index.php/AVR/article/view/843.