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. 2014 Mar 3;9(3):e90308. doi: 10.1371/journal.pone.0090308

Table 3. Inverse correlation between SFRP1 expression and β-catenin expression in human biliary tract cancer*.

SFRP1 β-catenin Total
+ ++ +++
0 3 14 17 34
+ 0 2 6 10 18
++ 6 4 3 1 14
+++ 8 2 2 0 12
Total 14 11 25 28 78

*r = 0.636, P = 0.001.