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Screening of clinical samples by PCR assay using CPV-2ab primers. Lane 1 1544, lane 2 1353, lane 3 1272, lane 4 1145, lane 5 759, lane 6 1599, lane 7 4209, lane 8 105, lane 9 1379, lane 10 negative control, lane 11 positive control, lane 12 100 base pair ladder
