title: Anthelmintic resistance of Ostertagia ostertagi and Cooperia oncophora to macrocyclic lactones in cattle from the western United States.
authors.affiliation: Research Department, Johnson Research LLC, 24007 Highway 20-26, Parma, ID 83660, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Edmonds
authors.forename: E G
authors.initials: EG
authors.lastname: Johnson
authors.forename: J D
authors.initials: JD
authors.lastname: Edmonds