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Representative results of second stage of nested-PCR with internal specific primers of Eg23 and Eg24 (see Table 2) on some fecal samples. Bands of a 133 base pair DNA product of E. granulosus were amplified in samples 68n, 75n, 85n and 140n, but not in samples 77n and 89n. Lane M8, DNA size marker; lane c-, negative control
