De Schepper S, Boucneau J, Vander Haeghen Y, et al : Café-au-lait spots in neurofibromatosis type 1 and in healthy control individuals : hyper-pigmentation of a different kind? Arch Dermatol Res, 297: 439-449,2006.
Brems H, Beert E, de Ravel T, et al : Mechanisms in the pathogenesis of malignant tumours in neurofibromatosis type 1. Lancet Oncol, 10 (5) : 508-515,2009.