In-vivo impact of the MexXY efflux system on aminoglycoside efficacy in an experimental model of Pseudomonas aeruginosa pneumonia treated with tobramycin - Martha, B.; Croisier, D.; Durand, D.; Hocquet, D.; Plesiat, P.; Piroth, L.; Portier, Hugues; Chavanet, P. (Clinical Microbiology and Infection, 2006)