1. Kelly, M. J., Warren, R. E.: The value of an operative wound swab sent in transport medium in the prediction of later clinical wound infection: a controlled clinical and bacteriological evaluation. British Journal of Surgery 1978, 65: 81–88.
2. Kelly, M. J.: Wound infection: a controlled clinical and experimental demonstration of synergy between aerobic (Escherichia coli) and anaerobic (Bacteroides fragilis) bacteria. Annals of the Royal College of Surgeons of England 1980, 62: 52–59.
3. Burke, J. F.: The effective period of preventive antibiotic action in experimental incisions and dermal lesions. Surgery 1961, 50: 161–168.
4. Miles, A. A., Miles, E. M., Burke, J.: The value and duration of defence reactions of the skin to primary lodgement of bacteria. British Journal of Experimental Pathology 1957, 38: 79–96.
5. Ljungqvist, U.: Wound sepsis after clean operations. Lancet 1964, i: 1095–1097.