JANZEN, E. D. The Role of Haemophilus somnus in bovine respiratory disease (BRD). The Bovine Practitioner, [S. l.], v. 1997, n. 31.1, p. 39–45, 1997. DOI: 10.21423/bovine-vol1997no31.1p39-45. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/1493. Acesso em: 7 oct. 2024.