1. Benno, Y., J. Watabe, and T. Mitsuoka. 1983. Bacteroides pyogenes sp. nov., Bacteroides suis sp. nov., and Bacteroides helcogenes sp. nov., a new species from abscess and feces of pigs. Syst. Appl. Microbiol. 4: 396–407.
2. Bryant, M. P., and I. M. Robinson. 1962. Some nutritional charactarestics of prodominant culturable ruminai bacteria. J. Bacteriol. 84:605–614
3. Caldwell, D. R., and M. P. Bryant. 1966. Medium without rumen fluid for nonselective enumeration and isolation of rumen bacteria. Appl. Microbiol. 14:794–801
4. Callihan, D. R., F. E. Young, and V. L. Clark. 1983. Identification of three homology classes of small cryptic plasmids in intestinal Bacteroides species. Plasmid 9: 17–30.
5. Castellani, A., and A. J. Chalmers. 1919. Manual of tropical medicine, 3rd ed. Bailliere, Tindall and Cox, London.