1. The Crisis in Antibiotic Resistance
2. Davies J. D., ibid. 2643751994.
3. Spratt B. G., ibid.: 388.
4. Raetz C. R. H. J. Bacteriol. 175 57451993.
5. Raetz C. R. H., Escherichia coli and Salmonella: Cellular and Molecular Biology, Neidhardt F. C.American Society for MicrobiologyWashington, DC1, 1035-1063 (1996).