1. Dynamics of oral diagnosis;Cheraskin,1956
2. The biology of pigmentation;Fitzpatrick;Birth Defects,1971
3. Pigmented lesions of the oral cavity;Gray;J Oral Surg,1978
4. Color atlas of oral pathology;Colby,1956
5. Melanotic macule of the oral mucosa;Buchner;Oral Surg,1979