Estrogen Inhibits Colon Polyp Formation by Reducing Angiogenesis in a Carcinogen-Induced Rat Model
PCNA expression in each group. (a) PCNA staining in polyp from the DMH group. (b) PCNA staining in polyp from the DMH + E2 group. (c) PCNA staining in normal colonic mucosa from the control group. (d) Comparison of PCNA index in different groups ().
(b) DMH + E2
(d) PCNA index
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