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3. Clinical and Laboratory Standards Institute, 2006a. Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria that Grow Aerobically, 7th ed. Wayne, PA (approved standard. M07-A7).
4. Clinical and Laboratory Standards Institute, 2006b. Performance Standards for Antimicrobial Disk Susceptibility Tests, ninth ed. Clinical and Laboratory Standards Institute, Wayne, PA (approved standard. M2-A9).
5. Clinical Laboratory Standards Institute, 2008. Performance Standards for Antimicrobial Disk and Dilution Susceptibility Tests for Bacteria Isolated from Animals, 3rd ed. Wayne, PA (approved standard. M31-A3).