KEMİK, Özgür, Ahu Sarbay Kemik, Aziz SÜMER, Sevim PURİSA, Barış TÜKENMEZ, and Sefa TÜZÜN. 2012. “Preoperative Serum Placenta Growth Factor Level As a New Marker for Stage II or III Colorectal Cancer Patients”. Turkish Journal of Gastroenterology 23 (2):104-9. https://doi.org/10.4318/tjg.2012.0333.