1. ARBUSOVA, V. A. (1968) : The growth of microbe agents of acute intestinal in tissue culture. Report I : Comparative data on interaction between tissue cultures and Shigella, Salmonella and Enteropathogenic Escherichia. Acute intestinal infections : Escherichia, Shigella, Salmonella. Vol. 33, pp. 30-43, From Pasteur Inst. of Epidemiol. and Microbiol., Leningrad. (in Russian)
2. ARIEL, B. M., POLOTSKY, Y. E. AND DRAGUNSKAYA, E. M. (1968) : Studying the biological properties of enteropathogenic Escherichia coli O28a 28c in experiments with animals. Acute intestinal infections : Escherichia, Shigella, Salmonella. Vol. 33, pp. 104-110, From Pasteur Inst. of Epidemiol. and Microbiol., Leningrad. (in Russian)
3. AVDEEVA, T. A. (1968) : The results of further studying Escherichia coli cultures of O group 28. Acute intestinal infections : Escherichia, Shigella, Salmonella. Vol. 33, pp. 93-103. From Pasteur Inst. of Epidemiol. and Microbiol., Leningrad. (in Russian)
4. DE, S. N., BHATTACHARYA, K. AND SARKAR, J. K. (1956) : A study of the pathogenicity of strains of Bacterium coli from acute and chronic enteritis. J. Path. Bacteriol., 71, 201-209.
5. FORMAL, S. B., LABREC, E. H., AND SCHNEIDER, H. (1965) : Pathogenesis of bacillary dysentery in laboratory animals. Fed. Proc., 24, 29-34.