1. IC Hall , E O'Toole . Intestinal flora in new-born infants with a description of a new pathogenic anaerobe. American Journal of Diseases of Children 1935; 49: 390–402.
2. N Al Safi , JS Brazier . The distribution of Clostridium difficile in the environment of South Wales. Journal of Medical Microbiology 1996; 45: 133–137.
3. S Johnson , DN Gerding . Clostridium difficile-associated diarrhea. Clinical Infectious Diseases 1998; 26: 1027–1036.
4. JK Shim , Primary symptomless colonisation by Clostridium difficile and decreased risk of subsequent diarrhoea. Lancet 1998; 351: 633–636.
5. T Norén , Molecular epidemiology of hospital-associated and community-acquired Clostridium difficile infection in a Swedish county. Journal of Clinical Microbiology 2004; 42: 3635–3643.
7. MM Olson , Ten years of prospective Clostridium difficile-associated disease surveillance and treatment at the Minneapolis VA Medical Center, 1982–1991. Infection Control and Hospital Epidemiology 1994; 15: 371–381.
8. JG Bartlett , Antibiotic-associated pseudomembranous colitis due to toxin-producing clostridia. New England Journal of Medicine 1978; 298: 531–534.
9. LR Hirschhorn , Epidemiology of community-acquired Clostridium difficile-associated diarrhea. Journal of Infectious Diseases 1994; 169: 127–133.
10. DG Teasley , Prospective randomised trial of Metronidazole versus Vancomycin for Clostridium-difficile-associated diarrhoea and colitis. Lancet 1983; 322: 1043–1046.
11. SH Cohen , Persistence of an endemic (toxigenic) isolate of Clostridium difficile in the environment of a general medicine ward. Clinical Infectious Diseases 2000; 30: 952–954.
12. KH Kim , Isolation of Clostridium difficile from the environment and contacts of patients with antibiotic-associated colitis. Journal of Infectious Dieases 1981; 143: 42–50.
13. LV McFarland , Nosocomial acquisition of Clostridium difficile infection. New England Journal of Medicine 1989; 320: 204–210.
14. SR Heard , The epidemiology of Clostridium difficile with use of a typing scheme: Nosocomial acquisition and cross-infection among immunocompromised patients. Journal of Infectious Diseases 1986; 153: 159–162.
16. J Pépin , Clostridium difficile-associated diarrhea in a region of Quebec from 1991 to 2003: a changing pattern of disease severity. Canadian Medical Association Journal 2004; 171: 466–472.
17. CP Kelly , C Pothoulakis , JT LaMont . Clostridium difficile colitis. New England Journal of Medicine 1994; 330: 257–262.
19. MH Wilcox , Recurrence of symptoms in Clostridium difficile infection – relapse or reinfection? Journal of Hospital Infection 1998; 38: 93–100.
20. S Johnson , Treatment of asymptomatic Clostridium difficile carriers (fecal excretors) with Vancomycin or Metronidazole. Annals of Internal Medicine 1992; 117: 297–302.
21. A Rodriguez-Palacios , Clostridium difficile in retail ground meat, Canada. Emerging Infectious Diseases 2007; 13: 485–487.
24. R Fekety , Epidemiology of antibiotic-associated colitis. American Journal of Medicine 1981; 70: 906–908.
25. CR Clabots , Acquisition of Clostridium difficile by hospitalized patients: evidence for colonized new admissions as a source of infection. Journal of Infectious Diseases 1992; 166: 561–567.
28. E Ozaki , Clostridium difficile colonization in healthy adults: transient colonization and correlation with enterococcal colonization. Journal of Medical Microbiology 2004; 53: 167–172.
29. C Perry , R Marshall , E Jones . Bacterial contamination of uniforms. Journal of Hospital Infection 2001; 48: 238–241.
31. GS Bobulsky , Clostridium difficile skin contamination in patients with C. difficile-associated disease. Clinical Infectious Diseases 2008; 46: 447–450.
32. J Clooten , Prevalence and risk factors for Clostridium difficile colonization in dogs and cats hospitalized in an intensive care unit. Veterinary Microbiology 2008; 129: 209–214.
35. AL Struble , Fecal shedding of Clostridium difficile in dogs: a period prevalence survey in a veterinary medical teaching hospital. Journal of Veterinary Diagnostic Investigation 1994; 6: 342–347.
36. SP Boriello , Household pets as a potential reservoir for Clostridium difficile infection. Journal of Clinical Pathology 1983; 36: 84–87.
38. LG Arroyo , PCR ribotyping of Clostridium difficile isolates originating from human and animal sources. Journal of Medical Microbiology 2005; 54: 163–166.
39. SL Lefebvre , LG Arroyo , JS Weese . Epidemic Clostridium difficile strain in hospital visitation dog. Emerging Infectious Diseases 2006; 12: 1036.