1. Antibiotic resistance of Helicobacter pylori: a cross-sectional study in consecutive patients, and relation to ethnicity 
R.J.L.F. Loffeld, C.A.P.M.J. Fijen 
Clinical Microbiology and Infection 
Volume 9, Issue 7, Pages (July 2003)
DOI: /j x
Copyright © 2003 European Society of Clinical Infectious Diseases Terms and Conditions

2. Figure 1
Yearly percentages of metronidazole- and clarithromycin-resistant strains over a period of 5 years. The bold lines represent the trend curve.
Clinical Microbiology and Infection 2003 9, DOI: ( /j x)
Copyright © 2003 European Society of Clinical Infectious Diseases Terms and Conditions

3. Figure 2
Percentages of metronidazole-resistant strains in the three groups of patients in consecutive years. The bold lines represent the trend curves of the three groups.
Clinical Microbiology and Infection 2003 9, DOI: ( /j x)
Copyright © 2003 European Society of Clinical Infectious Diseases Terms and Conditions

4. Figure 3
Percentages of clarithromycin-resistant strains in the three groups of patients in consecutive years. The bold lines represent the trend curves of the three groups.
Clinical Microbiology and Infection 2003 9, DOI: ( /j x)
Copyright © 2003 European Society of Clinical Infectious Diseases Terms and Conditions