Furman, T. J., Grotelueschen, D. M., Knudsen, D., Furman, J., Furman, S., Griffin, D. D., & Theurer, M. E. (2018). Case series: Surgical treatment of non-responding diphtheria cases in feedlot cattle via long term tracheostomy. The Bovine Practitioner, 52(2), 132–136. https://doi.org/10.21423/bovine-vol52no2p132-136