AHMED, O. B.; MAHMOUD, U. T.; MAHMOUD, M. A.; FATH EL-BAB, M. 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://www.advetresearch.com/index.php/AVR/article/view/31. Acesso em: 29 mar. 2024.