Bruce, AJ; Dabade, TS; Burkemper, NM (febrero de 2015). «Diagnosing oral ulcers.». JAAPA : official journal of the American Academy of Physician Assistants28 (2): 1-10. PMID25621959. doi:10.1097/01.JAA.0000459826.63026.67.
Fitzpatrick, SG; Cohen, DM; Clark, AN (marzo de 2019). «Ulcerated Lesions of the Oral Mucosa: Clinical and Histologic Review.». Head and neck pathology13 (1): 91-102. PMID30701449. doi:10.1007/s12105-018-0981-8.
Bruce, AJ; Dabade, TS; Burkemper, NM (febrero de 2015). «Diagnosing oral ulcers.». JAAPA : official journal of the American Academy of Physician Assistants28 (2): 1-10. PMID25621959. doi:10.1097/01.JAA.0000459826.63026.67.
Fitzpatrick, SG; Cohen, DM; Clark, AN (marzo de 2019). «Ulcerated Lesions of the Oral Mucosa: Clinical and Histologic Review.». Head and neck pathology13 (1): 91-102. PMID30701449. doi:10.1007/s12105-018-0981-8.