1. The growing incidence and severity of Clostridium difficile infection in inpatient and outpatient settings;Khanna;Expert Rev Gastroenterol Hepatol,2010
2. Lucado J, Gould C, Elixhauser A. Clostridium difficile infections (CDI) in hospital stays, 2009. Healthcare Cost and Utilization Project (HCUP) Statistical Brief #124. Available from: http://www.hcup-us.ahrq.gov/reports/statbriefs/sb124.pdf. Accessed August 14, 2014.
3. Rising economic impact of Clostridium difficile-associated disease in adult hospitalized patient population;Song;Infect Control Hosp Epidemiol,2008
4. Burden of gastrointestinal disease in the United States: 2012 update;Peery;Gastroenterology,2012
5. Centers for Disease Control and Prevention. Antibiotic resistance threats in the United States, 2013. Available from: http://www.cdc.gov/drugresistance/threat-report-2013/pdf/ar-threats-2013-508.pdf. Accessed April 9, 2014.