Fig. 3From: Genotypic determination of resistance and heteroresistance to clarithromycin in Helicobacter pylori isolates from antrum and corpus of Colombian symptomatic patientsRAPD-PCR fingerprinting patterns of Helicobacter pylori isolates in three heteroresistance cases. It can be seen when the isolate belonged to antrum (A) or corpus (B). M: Molecular size marker. C-: Blank of reaction. Different patterns are only observed in patient 293Back to article page