The difference in the prevalence of ER overexpression between high and low risk groups was not statistically significant ( p = 0 . 095 ) .
the difference in the prevalence of er overexpression between high and low risk groups was not statistically significant ( p = 0 . 095 ) .
O O O O O O B-protein_family_or_group O O O O O O O O O O O O O O O O O O O