Lockhart, S. R., Abramson, M. A., Beekmann, S. E., Gallagher, G., Riedel, S., Diekema, D. J., . . . Doern, G. V. (2007). Antimicrobial Resistance among Gram-Negative Bacilli Causing Infections in Intensive Care Unit Patients in the United States between 1993 and 2004. American Society for Microbiology.

Lockhart, Shawn R., Murray A. Abramson, Susan E. Beekmann, Gale Gallagher, Stefan Riedel, Daniel J. Diekema, John P. Quinn, a Gary V. Doern. Antimicrobial Resistance Among Gram-Negative Bacilli Causing Infections in Intensive Care Unit Patients in the United States between 1993 and 2004. American Society for Microbiology, 2007.

Lockhart, Shawn R., et al. Antimicrobial Resistance Among Gram-Negative Bacilli Causing Infections in Intensive Care Unit Patients in the United States between 1993 and 2004. American Society for Microbiology, 2007.