From: Primary resistance to clarithromycin, metronidazole and amoxicillin of Helicobacter pylori isolated from Tunisian patients with peptic ulcers and gastritis: a prospective multicentre study
NPU*
PU**
Total
A2143G
28 (75.6%)
9 (24.4%)
37
A2142G
4 (80%)
1 (20%)
5
A2142C
0