Oligopeptide uptake and aminoglycoside resistance in Escherichia coli K12 - Nakamatsu, Eduardo H.; Fujihira, Erica; Ferreira, Rita de Cássia Café; Balan, Andrea; Costa, Sergio Olavo Pinto da; Ferreira, Luís Carlos de Souza (FEMS Microbiology Letters, 2007)