Van Donkersgoed, J. and Merrill, J. K. (2013) “Efficacy of tilmicosin and tildipirosin for on-arrival treatment of bovine respiratory disease in fall-placed feedlot calves in western Canada”, The Bovine Practitioner, 47(2), pp. 146–151. doi: 10.21423/bovine-vol47no2p146-151.