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2. Solitary Intraoral Keratoacanthoma;Scofield;Oral Surg,1974
3. Solitary Intraoral Keratoacanthoma;Zegarelli;Oral Surg,1975
4. The Crateriform Ulcer of the Face, a Peculiar Form of Acute Epithelial Cancer;Hutchinson;Trans. Pathol. Soc. London,1889
5. Verrucome avec adénite a structure épithéliomatiform;Gougerot;Arch. Dermatol. Clin. Saint Louis,1929