Chaitram, J. M., Jevitt, L. A., Lary, S., & Tenover, F. C. (2003). The World Health Organization's External Quality Assurance System Proficiency Testing Program Has Improved the Accuracy of Antimicrobial Susceptibility Testing and Reporting among Participating Laboratories Using NCCLS Methods. American Society for Microbiology.

Chaitram, Jasmine M., Laura A. Jevitt, Sara Lary, und Fred C. Tenover. The World Health Organization's External Quality Assurance System Proficiency Testing Program Has Improved the Accuracy of Antimicrobial Susceptibility Testing and Reporting Among Participating Laboratories Using NCCLS Methods. American Society for Microbiology, 2003.

Chaitram, Jasmine M., Laura A. Jevitt, Sara Lary, und Fred C. Tenover. The World Health Organization's External Quality Assurance System Proficiency Testing Program Has Improved the Accuracy of Antimicrobial Susceptibility Testing and Reporting Among Participating Laboratories Using NCCLS Methods. American Society for Microbiology, 2003.