title: Spontaneous malignant transformation of multiple nasopharyngeal papilloma? A report of two cases.
authors.forename: J L
authors.initials: JL
authors.lastname: Gluckman
authors.forename: F
authors.initials: F
authors.lastname: Astor
authors.forename: J O
authors.initials: JO
authors.lastname: Donegan
authors.forename: R
authors.initials: R
authors.lastname: Welsh
authors.forename: T
authors.initials: T
authors.lastname: Wessler
mesh_terms: D000328:Adult; D002278:Carcinoma in Situ / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000473:pathology* / Q000628:therapy; D009364:Neoplasm Recurrence, Local; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D010212:Papilloma / Q000473:pathology* / Q000628:therapy