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. 2012 Feb 20;103(4):708–715. doi: 10.1111/j.1349-7006.2012.02204.x

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© 2012 Japanese Cancer Association

PMC Copyright notice

(A) Amphiregulin (AR) expression in pretreatment endoscopic biopsy samples of gastric cancer. Immunohistochemical staining of biopsy samples from human gastric cancer. The antibody used for immunostaining was AR‐N Ab. (a,b) Immunohistochemical staining in the AR‐positive (AR [+]) group. (c,d) Immunohistochemical staining in the AR‐negative (AR [−]) group. Original magnification: a and c, ×100; b and d, ×400. (B) Overall survival. Filled triangle, AR (+) group; filled circle, AR (−) group; MST, median survival time.