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Detection of Lactobacillus paracasei IMPC2.1 by REP-PCR. Lane 1, 200-bp DNA step ladder (Promega); lane 2, reference strain L. paracasei IMPC2.1; lanes 3 to 6, strains from fecal sample of subject number 3 at day 10: lane 3, strain IMPC2.1; and lanes 4 to 6, other strains.
