1. The labial melanotic macule;Spann;Arch Dermatol,1987
2. Labial melanotic macule;Ho;J Am Acad Dermatol,1993
3. The labial melanotic macule;Gupta;Br J Dermatol,1997
4. Mucosal melanotic macule, reactive type;Horlick;J Am Acad Dermatol,1988
5. Genital melanotic macules;Lenane;J Am Acad Dermatol,2000