1. Lipsker D, Grosshans E. Hyperpigmentations. Encycl Méd Chir (Elsevier SAS, Paris), Dermatologie, 98-580-A-10, 1999: 15p.
2. Mechanisms that cause abnormal skin color;Ortonne,1998
3. Biology of hypopigmentation;Bolognia;J. Am. Acad. Dermatol.,1988
4. Unusual leucodermas;Bolognia;J Eur Acad Dermatol Venereol,2001
5. A clinical approach to leukoderma;Bolognia;Int. J. Dermatol.,1999