AHMED, Omar B.; MAHMOUD, Usama T.; MAHMOUD, Manal A.M.; FATH EL-BAB, Mohamed R. Histomorphological Changes Associated with Different Doses of Chinese Propolis in the Bursa of Fabricius of Chickens. Journal of Advanced Veterinary Research, [S. l.], v. 6, n. 1, p. 1–6, 2016. Disponível em: https://advetresearch.com/index.php/AVR/article/view/31. Acesso em: 15 oct. 2026.