@article {12420,
	title = {Distribution of the mosaic structured murM genes among natural populations of Streptococcus pneumoniae},
	journal = {J. Bacteriol},
	volume = {182},
	year = {2000},
	pages = {6798-6805},
	author = {S. R. Filipe and E. Severina and A. Tomasz}
}
