Edmonds, M.D., Johnson, E.G. and Edmonds, J.D. 2013. Feedlot gastrointestinal parasite control and anthelmintic treatment options, a review. The Bovine Practitioner. 47, 2 (Jun. 2013), 120–123. DOI:https://doi.org/10.21423/bovine-vol47no2p120-123.