@article {12416,
	title = {The murMN operon: a functional connection between antibiotic resistance and antibiotic tolerance in Streptococcus pneumoniae},
	journal = {Proc. Natl. Acad. Sci. USA},
	volume = {99},
	year = {2002},
	pages = {1550-1555},
	author = {S. R. Filipe and E. Severina and A. Tomasz}
}
