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Distribution of selected demographic variables and risk factors in ESCC cases and controls.

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posted on 2014-04-07, 03:51 authored by Weifeng Tang, Hao Qiu, Heping Jiang, Bin Sun, Lixin Wang, Jun Yin, Haiyong Gu
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Two-sided χ2 test and student t test; Bold values are statistically significant (P<0.05).

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