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3. Control programs for internal parasites of beef cattle;Craig;Compend. Cont. Ed/Food Anim. Parasitol.,1995
4. Critical features of veterinary field trials;Elbers;Vet. Rec.,1995
5. Reliability of a single fecal egg count determination as a means of individual and herd values for Trichostrongylids nematodes of cattle;Gasbarre;Am. J. Vet. Res.,1996