Boyd, M. J., Logan, M. A. & Tytell, A. F. (1948). The growth requirements of Clostridium perfringens (welchii) BP6K. J. biol. Chem. 174, 1013.
Briggs, A. (1966). The resistance of spores of the genus Bacillus to phenol, heat, and radiation. J. appl. Bact. 29, 490.
Brooks, M. M., Sterne, M. & Warrack, G. H. (1957). A re-assessment of the criteria used for type differentiation of Clostridium perfringens. J. Path. Bact. 74, 185.
Canada, J. C., Strong, D. H. & Scott, L. G. (1964). Response of Clostridium perfringens spores and vegetative cells to temperature variation. Appl. Microbiol. 12, 273.
Collee, J. G., Knowlden, J. A. & Hobbs, B. C. (1961). Studies on the growth, sporulation and carriage of Clostridium welchii with special reference to food poisoning strains. J. appl. Bact. 24, 326.
Dam-Mikkelsen, H., Petersen, P. J. & Skovgaard, N. (1962). Tre tilfaelde at Clostridium perfringens—levnedsmiddelforgiftning. Nord. VetMed. 14, 200.
Groom, R. A. & Strong, D. H. (1966). Sporulation of Clostridium perfringens (welchii) in four laboratory media. J. appl. Bact. 29, 308.
Hall, H. E. & Angelotti, R. (1962). Identification of food-poisoning Clostridium perfringens. Bact. Proc., p. 22.
Hall, H. E., Angelotti, R., Lewis, K. H. & Foter, M. J. (1963). Characteristics of Clostridium perfringens strains associated with food and food-borne disease. J. Bact. 85, 1094.
Hobbs, B. C. (1965). Clostridium welchii as a food poisoning organism. J. appl. Bact. 28, 74.
Hobbs, B. C., Smith, M., Oakely, C., Warrack, G. & Cruickshank, J. (1953). Clostridium welchii food poisoning. J. Hyg., Camb. 51, 75.
Long, S. K. & Williams, O. B. (1958). Method for removal of vegetative cells from bacterial spore preparations. J. Bact. 76, 332.
McClung, J. S. (1945). Human food poisoning due to growth of Clostridium perfringens (C. welchii) in freshly cooked chicken: preliminary note. J. Bact. 50, 229.
McKillop, E. J. (1959). Bacterial contamination of hospital food with special reference to Clostridium welchii food poisoning. J. Hyg., Camb. 57, 31.
Mehl, D. A., & Wynne, E. S. (1951). A determination of the temperature characteristic of spore germination in a putrefactive anaerobe. J. Bact. 61, 121.
Schneider, M. D., Grecz, N. & Anellis, A. (1963). Sporulation of Clostridium botulinum types A, B, and E, Clostridium perfringens, and putrefactive anaerobe 3679 in dialysis sacs. J. Bact. 85, 126.
Stumbo, C. B., Murphy, J. R. & Cochran, J. (1950). Nature of thermal death time curves for P.A. 3679 and Clostridium botulinum. Food Technol., Champaign 4, 321.
Sutton, R. G. A. (1966 a). Distribution of heat-resistant Clostridium welchii in a rural area of Australia. J. Hyg., Camb. 64, 65.
Sutton, R. G. A. (1966 b). Enumeration of Clostridium welchii in the faeces of varying sections of the human population. J. Hyg., Camb. 64, 367.
Tong, J. L., Engle, H. M., Cullyford, J. S., Shimp, D. J. & Love, C. E. (1962). Investigation of an outbreak of food poisoning traced to turkey meat. Am. J. publ. Health 52, 976.
Weiss, D. F. & Strong, D. H. (1967). Some properties of heat-resistant and heat-sensitive strains of Clostridium perfringens. I. Heat resistance and toxigenicity. J. Bact. 93, 21.
Williams, O. B. (1929). The heat resistance of bacterial spores. J. infect. Dis. 44, 421.
Williams, O. B. & Zimmerman, C. H. (1951). Studies on heat-resistance. III. The resistance of vegetative cells and spores of the same organism. J. Bact. 61, 63.