ALLEN, J. W.; BATEMAN, K. G.; VIEL, L.; ROSENDAL, S.; SHEWEN, P. E. The Microbial flora of the upper and lower respiratory tracts of feedlot calves with undifferentiated bovine respiratory disease. The Bovine Practitioner, [S. l.], v. 1991, n. 26, p. 162–165, 1991. DOI: 10.21423/bovine-vol1991no26p162-165. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/2356. Acesso em: 2 sep. 2024.