1. Aeberhard, P., Berger, J., Casey, P.: A comparision of oral bowel preparation and intravenous chemotherapy given at the time of operation. In: Metronidazole. Proceedings of the 2nd International Symposium on Anaerobic Infections held in Geneva 25?27 April 1979. Royal Society of Medicine. International Congress and Symposium Series Nr. 18, pp. 173?177, London 1979
2. Altemeier, W. A., Hummel, R. P.: Antibiotic agents in colon surgery.Surg. Clin. N. Am. 45, 1087 (1965
3. Arabi, Y., Dimock, F., Burdon, D. W., Alexander-Williams J., Keighley, M. R. B.: Influence of bowel preparation and antimicrobials on colonic microflora. Br. J. Surg.65. 555 (1978)
4. Arabi, Y., Dimock, F., Burdon, D. W., Alexander-Williams J., Keighley, M. R. B.: Influence of metronidazole and neomycin on colonic microflora in healthy volunteers. Gut18, A969 (1977)
5. Lennette, E. H., Spaulding, E. H., Truant, J. P.: Manual of clinical microbiology, Second edition, pp. 421?423, Washington D. C., American Society for Microbiology (1974)