1. The combined nevus;Fletcher,1981
2. Blue nevus;Lever,1990
3. A case of atypical blue nevus type 2;Inoue;Rinsho Derma (Tokyo),1969
4. A case of atypical blue nevus type I;Saitoh;Rinsho Derma (Tokyo),1990
5. Speckled lentiginous nevus;Stewart;Arch Dermatol,1978