1. Dientamoeba fragilis—a protozoal infection which may cause severe bowel distress 
A. Norberg, C.E. Nord, B. Evengård 
Clinical Microbiology and Infection 
Volume 9, Issue 1, Pages (January 2003)
DOI: /j x
Copyright © 2003 European Society of Clinical Infectious Diseases Terms and Conditions

2. Figure 1 Prevalence of D. fragilis in different age groups.
Clinical Microbiology and Infection 2003 9, 65-68DOI: ( /j x)
Copyright © 2003 European Society of Clinical Infectious Diseases Terms and Conditions