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Electrophotograph showing amplification of fliI gene with specific internal primer for H. pylori in antral biopsies. Lanes 1 and 19: molecular marker (100 bp); lanes 2 and 20: positive control; Lanes 3 to 18: gDNA from antral biopsies before treatment; and Lanes 21 to 35: gDNA from antral biopsies after treatment.
