%0 Journal Article %T Preoperative Vascular Endothelial Growth Factor Levels as a Prognostic Marker for Stage II or III Colorectal Cancer Patients %A Ozgur Kemik %A Ahu Sarbay Kemik %A Aziz S¨ımer %A Sevim Purisa %J Cancer Growth and Metastasis %D 2011 %I %U http://www.la-press.com/preoperative-vascular-endothelial-growth-factor-levels-as-a-prognostic-a2646