The effect of naturally acquired rumen fluke infection on animal health and production in dairy and beef cattle in the UK oleh Erwan Atcheson, Bernard Lagan, Ross McCormick, Hilary Edgar, Robert E. B. Hanna, Naomi H. Rutherford, Amanda McEvoy, Kathryn M. Huson, Alan Gordon, Aurelie Aubry, Mary Vickers, Mark W. Robinson, Jason P. Barley