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Background Cyclooxygenase-2 (COX-2) is believed to be involved in gastric carcinogenesis. However, it is still controversial whether COX-2 expression can be regarded as a prognostic factor for gastric cancer patients. Aim To obtain a more accurate relationship between COX-2 overexpression and prognosis in gastric cancer by meta-analysis. Method Relevant articles published up to May 2013 were searched...
The prognostic role of survivin expression in breast cancer patients has been widely reported. However, controversy still remains. Thus, a meta-analysis was conducted to obtain a more precise estimation of the relationship between survivin expression and overall survival (OS) in breast cancer patients. Relevant articles were selected for further assessment by online search in PubMed, EMBASE, and China...
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