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. 2003 Jun;69(6):3492–3499. doi: 10.1128/AEM.69.6.3492-3499.2003

FIG. 1.

FIG. 1.

Correlation between Campylobacter PCR-ELISA OD405s and Campylobacter cell count and the sensitivity of PCR in detecting C. coli or C. jejuni as a function of the number of PCR cycles. Arrows point to the reflection points (log CFU per milliliter) where the log-linear phase of OD readings begins for different cycles of PCR amplification.