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Identification of C. abortus isolates by PCR-RFLP analysis. (a) Helicase gene clone 8 PCR products. (b) RFLP analysis by AluI restriction enzyme of clone 8 PCR products. (c) omp2 PCR products. (d) RFLP analysis by AluI of omp2 PCR products. Marker: 100 bp DNA ladder.
