False-positive Trichuris suis egg counts in pigs in relation to coprophagia J. Boes, M.V. Johansen, L. Eriksen, H.O. Bøgh, P. Nansen and L.S. Stephenson Parasite, 5 1 (1998) 91-93 Published online: 23 September 2014 DOI: 10.1051/parasite/1998051091