Tickler, I. A., Goering, R. V., Whitmore, J. D., Lynn, A. N. W., Persing, D. H., & Tenover, F. C. (2014). Strain Types and Antimicrobial Resistance Patterns of Clostridium difficile Isolates from the United States, 2011 to 2013. American Society for Microbiology.

Tickler, Isabella A., Richard V. Goering, Joseph D. Whitmore, Ashley N. W. Lynn, David H. Persing, và Fred C. Tenover. Strain Types and Antimicrobial Resistance Patterns of Clostridium Difficile Isolates From the United States, 2011 to 2013. American Society for Microbiology, 2014.

Tickler, Isabella A., et al. Strain Types and Antimicrobial Resistance Patterns of Clostridium Difficile Isolates From the United States, 2011 to 2013. American Society for Microbiology, 2014.