1. Abramson EP & Chain E (1940) An enzyme from bacteria able to destroy penicillin. Nature 146: 837.
2. Barbosa MDFS , Yang G , Fang J , Kurilla MG & Pompliano DL (2002) Development of a whole-cell assay for peptidoglycan biosynthesis inhibitors. Antimicrobial Agents and Chemotherapy 46: 943â946.
3. Davies JE (1997) Origins, acquisition and dissemination of antibiotic resistance determinants. Ciba Foundation symposium 207 (Chadwick D & Goode J, eds), pp. 15â27. John Wiley & Sons, Chichester, UK.
4. Davis BD (1993) The penicillin method of mutant selection. Bioessays 15: 837â839.
5. GhuysenJ-M & HakenbeckR (eds). (1994) Bacterial Cell Wall. Elsevier, Amsterdam, the Netherlands.