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Detection of H. pylori in gastric biopsy samples by glmM PCR. PCR amplification of glmM DNA sequences shows that specimens 3 and 4 lacked H. pylori DNA, while specimens 48, 61, and 64 were faintly positive for H. pylori glmM DNA. Lane Hp, H. pylori Sydney strain control; lane N, negative control; lane M, 100-bp molecular mass marker.
