Abd El-Ghany, Wafaa. “Vitamin E and Its Impact on Poultry Production: An Update”. Journal of the Hellenic Veterinary Medical Society 73, no. 1 (April 29, 2022): 3571–3582. Accessed May 8, 2024. https://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/25836.