Lavers, C. J., McKenna, S. L., Dohoo, I. R., Barkema, H. W., & Keefe, G. P. (2013). Evaluation of environmental fecal culture for Mycobacterium avium subspecies paratuberculosis detection in dairy herds and association with apparent within-herd prevalence. Canadian Veterinary Medical Association.

Lavers, Carrie J., Shawn L.B McKenna, Ian R. Dohoo, Herman W. Barkema, و Greg P. Keefe. Evaluation of Environmental Fecal Culture for Mycobacterium Avium Subspecies Paratuberculosis Detection in Dairy Herds and Association With Apparent Within-herd Prevalence. Canadian Veterinary Medical Association, 2013.

Lavers, Carrie J., et al. Evaluation of Environmental Fecal Culture for Mycobacterium Avium Subspecies Paratuberculosis Detection in Dairy Herds and Association With Apparent Within-herd Prevalence. Canadian Veterinary Medical Association, 2013.