1. Evaluation of a simplified blood pepsinogen assay;Berghen;Am. J. Vet. Res.,1987
2. Observations on the periparturient rise of nematode egg-output in cattle;Borgsteede;Vet. Parasitol.,1978
3. Evaluation of the Cornell-Wisconsin centrifugal flotation technique for recovering trichostronglylid eggs from bovine faeces;Egwang;Can. J. Comp. Med.,1982
4. Relative importance of winter survival of nematodes in pasture and infected carrier calves in a study of parasitic gastroenteritis in calves;Gibbs;Am. J. Vet. Res.,1979
5. Ostertagiosis in the cow and weaned calf in the northeastern USA;Gibbs;Vet. Parasitol.,1993