Irene D. Bezemer, Andre R. Arellano, Carmen H. Tong, Charles M. Rowland, Helen A. Ireland, Kenneth A. Bauer, Joseph Catanese, Pieter H. Reitsma, Carine J.M. Doggen, James J. Devlin, Frits R. Rosendaal, Lance A. Bare. F9 Malmö, factor IX and deep vein thrombosis. Haematologica 2009;94(5):693-699; https://doi.org/10.3324/haematol.2008.003020.