Fitzpatrick, SG; Cohen, DM; Clark, AN (março de 2019). «Ulcerated Lesions of the Oral Mucosa: Clinical and Histologic Review.». Head and neck pathology. 13 (1): 91-102. PMID30701449. doi:10.1007/s12105-018-0981-8
Fitzpatrick, SG; Cohen, DM; Clark, AN (março de 2019). «Ulcerated Lesions of the Oral Mucosa: Clinical and Histologic Review.». Head and neck pathology. 13 (1): 91-102. PMID30701449. doi:10.1007/s12105-018-0981-8