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PCR amplification of inlA gene in L. monocytogenes isolates.
M, 100 bp DNA size marker; lane 1, positive control L. monocytogenes ATCC (733 bp); lane 2, negative control; lanes 3 to 6, isolates from water samples; lanes 7 to 9, isolates from vaginal swabs; and lanes 10 to 11, isolates from fecal samples.
