Vincent ten Cate, Anthonie W.A. Lensing, Jeffrey I. Weitz, Jan Beyer-Westendorf, Philip S. Wells, Patrick Mismetti, Paolo Prandoni, Alexander T. Cohen, Bruce L. Davidson and Martin H. Prins (2019) “Extended anticoagulant therapy in venous thromboembolism: a balanced, fractional factorial, clinical vignette-based study”, Haematologica. Pavia, Italy, 104(10), pp. e474-e477. doi: 10.3324/haematol.2018.209924.