1. Comparative resistance of five breeds of chickens to the nematode Ascaridia lineata (Schneider);Ackert;J. Agri. Res.,1935
2. Observations on the anthelmintic effect of piperazine citrate in chickens;Bradley;Vet. Med.,1955
3. The effect of piperazine HC1 on migrating larvae on Ascaris suum Goeze 1782;Brown;Am. J. Vet. Res.,1955
4. The removal of chicken tapeworms by di-n-butyl tin dilaurate;Edgar;Poultry Sci.,1956
5. Edgar, S. A. and J. Frazier. Unpublished data.