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Results of the gel electrophoresis for identification of m2, s1b, and s1c genotypes of the H. pylori strains of milk and meat samples. Line 5: negative control, line 7: positive controls, 1: negative sample, M: 100 bp DNA ladder (Fermentas, Germany), and numbers 2–4: positive samples for m2 (352 bp), s1b (187 bp), and s1c (213 bp) alleles.
