1. Oral Pigmentation Associated With Bronchogenic Carcinoma;Merchant;Oral Surg,1973
2. Oral Medicine;Burket,1971
3. Oral Pigmentation—Physiologic and Pathologic;Dummett;N. Y. State Dent. J,1959
4. Pigmentation of the Oral Tissues;Dummett;J. Periodontol,1967
5. Colour Changes in the Oral Mucosa;Dummett;J. Can. Dent. Assoc,1967