title: The mouth ulcer that would not heal.
authors.forename: K
authors.initials: K
authors.lastname: Ivory
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis; D006801:Humans; D008297:Male; D009062:Mouth Neoplasms / Q000175:diagnosis; D013281:Stomatitis, Aphthous / Q000209:etiology*