SEIFI, S.; BOROOMAND, Z. ULTRASTRUCTURAL STUDY OF THE TRACHEA IN EXPERIMENTALLY INFECTED BROILERS WITH IBV SEROTYPE 4/91. Slovenian Veterinary Research, [S. l.], v. 52, n. 1, 2015. Disponível em: https://slovetres.si/index.php/SVR/article/view/35. Acesso em: 23 apr. 2026.