Estimating variation within the genes and inferring the phylogeny of 186 sequenced diverse Escherichia coli genomes.
Kaas RS, Friis C, Ussery DW, Aarestrup FM. Estimating variation within the genes and inferring the phylogeny of 186 sequenced diverse Escherichia coli genomes. BMC Genomics. 2012 Oct 31; 13:577.