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. 2017 May 5;14(1):35–40. doi: 10.3892/ol.2017.6127

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Copyright: © Zhang 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 2. — Kaplan-Meier analysis of 4-HNE expression level in esophageal squamous cell carcinoma patient samples. By performing the Kaplan-Meier test, the present study revealed a significant association between overall survival and the expression level of 4-HNE (P=0.029), when the two groups were defined as positive and negative. 4-HNE, 4-hydroxynonenal.