Master, R. N., Draghi, D. C., Jones, M. E., Thornsberry, C., Sahm, D. F., & Karlowsky, J. A. (2004). Tracking the implementation of NCCLS M100-S12 expanded-spectrum cephalosporin MIC breakpoints for nonmeningeal isolates of Streptococcus pneumoniae by clinical laboratories in the United States during 2002 and 2003. BioMed Central.

Master, Ronald N., Deborah C. Draghi, Mark E. Jones, Clyde Thornsberry, Daniel F. Sahm, et James A. Karlowsky. Tracking the Implementation of NCCLS M100-S12 Expanded-spectrum Cephalosporin MIC Breakpoints for Nonmeningeal Isolates of Streptococcus Pneumoniae By Clinical Laboratories in the United States During 2002 and 2003. BioMed Central, 2004.

Master, Ronald N., et al. Tracking the Implementation of NCCLS M100-S12 Expanded-spectrum Cephalosporin MIC Breakpoints for Nonmeningeal Isolates of Streptococcus Pneumoniae By Clinical Laboratories in the United States During 2002 and 2003. BioMed Central, 2004.