Er, Sadettin, Yusuf Sevim, Sabri Özden, Deniz Tikici, Barış Doğu Yıldız, Bülent Cavit Yüksel, Umut Fırat Turan, and Mesut Tez. 2019. “A Novel Simplified Scoring System for Predicting Mortality in Emergency Colorectal Surgery: Prediction Model Development”. São Paulo Medical Journal 137 (2):132-36. https://periodicosapm.emnuvens.com.br/spmj/article/view/838.