Preface: bovine respiratory disease.
Cooper
Vickie L
VL
Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, IA 50011, USA. vcooper@iastate.edu
Brodersen
Bruce W
BW
D000818:Animals; D048090:Bovine Respiratory Disease Complex / Q000175:diagnosis* / Q000517:prevention & control*; D002417:Cattle