1. Genetic resistance to experimental Cooperia oncophora infections in calves;Albers;Meded. Landbouwhogesch.,1981
2. The epidemiology of gastro-intestinal helminth infections in young cattle in The Netherlands;Borgsteede,1977
3. A simple colorimetric method for determination of protein;Bramhall;Anal. Biochem.,1969
4. Observations on the epidemiology of trichostrongylosis of calves;Kloosterman;Meded. Landbouwhogesch.,1971
5. Performance of resistant and non-resistant calves during repeated infection with Cooperia spp., Ostertagia spp. and mixed species;Kloosterman,1980