1. The microbial flora of the respiratory tract in feedlot calves: associations between nasopharyngeal and bronchoalveolar lavage cultures.;Allen;Canadian Journal of Veterinary Research,1991
2. Prevalence of mycoplasmas and immune responses to Mycoplasma bovis in feedlot calves.;Boothby;American Journal of Veterinary Research,1983
3. Mycoplasma bovis pneumonia in cattle.;Caswell;Animal Health Research Reviews,2007