1. Culture Media;Bridson,1998
2. Page B. ISO Standard redefines limits for ETO residuals. MDDI archive 1996.
3. Sterilizer control, sterilization indicators and culture tests;Perkins,1969
4. Quality Assurance for Commercially Prepared Microbiological Culture Media-; Approved standards;Evans,1996
5. Performance Standards for Antimicrobial Disk Susceptibility Tests; Approved Standards;Ferraro,2003