1. Lack of reversion of a benzimidazole resistant strain of Haemonchus contortus after six years of levamisole usage;BORGSTEEDE, F.H.M.; DUYN, S.P.J.;Research in Veterinary Science,1989
2. Activity of closantel against adult triclabendazole-resistant Fasciola hepatica;COLES, G.C.; RHODES, A.C.; STAFFORD, K.A.;Veterinary Record,2000
3. Comparison of an indirect haemagglutination assay and an ELISA for diagnosing Fasciola hepatica in experimentally and naturally infected sheep;CORNELISSEN, J.B.W.J.; LEEUW, D.E.; A., W.; HEIJDEN, V.A.N.D.E.R.; J, P.;Veterinary Quarterly,1992
4. Fasciolosis in cattle and sheep;DANIEL, R.; MITCHELL, S.;Veterinary Veterinary Record,2002
5. Division of Infectious Diseases, PO Box 65, NL-8200 AB;Borgsteede, F.H.M.; PhD, C.P.H.Gaasenbeek; WUR, Animal Sciences Group,2005