An Externally Validated Risk Score for Intrahepatic Cholangiocarcinoma following Surgical Resection: A SEER Database Analysis. (2019) - Kathir Kamarajah, S.; Bhogal, R.; Coldham, C.; Hodson, J.; Weston, C.; Afford, S.; Muiesan, P.; Isaac, J.; Roberts, K.; Marudanayagam, R.; Sutcliffe, R.; Mirza, D.