1. Ackrell, B. A. C., and Jones, C. W. (1971). The respiratory system of Azotobacter vine- landii. 2. Oxygen effects. Eur. J. Biochem. 20: 29–35.
2. Altemeier, W. A., and Fullen, W. D. (1971). Prevention and treatment of gas gangrene. J. Am. Med. Assoc. 217: 806–813.
3. Alvis, H. J. (1971). Hyperbaric oxygen therapy of gas gangrene. J. Am. Med. Assoc. 218: 445.
4. Anderson, C. B., Marr, J. J., and Balinger, W. F. (1976). Anaerobic infection in surgery: Clinical review. Surgery 79:313– 324.
5. Apontoweil, P., and Berends, W. (1975). Isolation and initial characterization of glutathione-deficient mutants of Escherichia coli K12. Biochim. Biophys. Acta 399:10–22.