Differing effects of combination chemotherapy with meropenem and tobramycin on cell kill and suppression of resistance of wild-type Pseudomonas aeruginosa PAO1 and its isogenic MexAB efflux pump-overexpressed mutant - Drusano, G L; Liu, W; Fregeau, C; Kulawy, R; Louie, A (Antimicrob Agents Chemother, 2009)