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. 2014 Jul 31;9(7):e103882. doi: 10.1371/journal.pone.0103882

Table 1. Differential ATF4 Expression in ESCC and Adjacent Non-Cancerous Tissues.

Cases ATF4 staining P value
+ ++ +++
ESCC tissues 168 51 44 43 30 <0.001
Adjacent non-cancerous tissues 168 114 41 9 4