Development and internal validation of a nomogram with excellent discrimination and calibration statistics for predicting long-term survival after hepatectomy for colorectal liver metastases. (2019) - Syn, Nicholas; Wee, Ian; Goh, Brian K.P.; Chung, Alexander; Ooi, London Lucien; Lee, Ser Yee; Raj, Prema; Cheow, Peng Chung; Chan, Chung Yip; Teo, Jin Yao