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. 2015 Dec 31;11(2):1406–1412. doi: 10.3892/ol.2015.4068

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Copyright: © Al-Sheikh et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 1. — Identification of the most invariantly-expressed housekeeping gene in plasma samples. Cycle threshold (Ct) values of each gene in plasma colorectal cancer samples was subtracted from Ct value in control plasma to obtain the ΔCt value.