EL-ZONKORANY, T. A. .; HASSAN, A. E. .; MOSAD, S. M. .; ELAZAB, S. T. .; AMER, M. S. . Immunomodulating Effect of Echinacea and Star Anise in Protection and Treatment of Infectious Bronchitis Virus in Poultry. Journal of Advanced Veterinary Research, [S. l.], v. 13, n. 7, p. 1359-1367, 2023. Disponível em: https://advetresearch.com/index.php/AVR/article/view/1417. Acesso em: 19 may. 2024.