Villar, D., Larson, D. J., Janke, B. H., Schwartz, K. J., Yaeger, M. J., Carson, T. L. and Blaylock, R. (2003) “Case report: Obstructive Urolithiasis in a Feedlot Steer”, The Bovine Practitioner, 37(1), pp. 74–77. doi: 10.21423/bovine-vol37no1p74-77.