Kraaijpoel N, van Es N, Raskob GE, Büller HR, Carrier M, Zhang G, Lin M, Grosso MA, Di Nisio M. Risk Scores for Occult Cancer in Patients with Venous Thromboembolism: A Post Hoc Analysis of the Hokusai-VTE Study. Thromb Haemost. 2018 Jul; 118(7):1270-1278.