Boon, L., Ballieux, F., & Vikkula, M. (2017). Venous malformations. In Lowell A. Goldsmith, Stephen I. Katz, Barbara A. Gilchrest, Amy S. Paller, David J. Leffell, Klaus Wolff (ed.), Fitzpatrick’s Dermatology in General Medicine, 9th edition. https://hdl.handle.net/2078.5/229252