1. Observations on the alimentary tract and its bacterial flora in healthy and diseased pigs.;Smith;J. Path. Bact.,1963
2. Studies of Escherichia coli in gnotobiotic pigs. I. Experimental reproduction of colibacillosis.;Kohler;Canad. J. Comp. Med. Vet. Sci.,1966
3. Studies of Escherichia coli in gnotobiotic pigs.;Kohler;IV. Comparison of enteropathogenic and nonenteropathogenic strains. Canad. J. Comp. Med. Vet. Sci.,1967
4. Autolytic changes in the digestive system of germfree, Escherichia coli monocontaminated, and conventional baby pigs.;Cross;Canad. J. Comp. Med.,1969
5. Studies of Escherichia coli in gnotobiotic pigs. III. Evaluation of orally administered specific antisera.;Kohler;Canad. J. Comp. Med. Vet. Sci.,1966