Kim, K H Pyriform sinus fistula: management with chemocauterization of the internal opening. [electronic resource] - The Annals of otology, rhinology, and laryngology May 2000 - 452-6 p. digital Publication Type: Journal Article ISSN: 0003-4894 Standard No.: 10.1177/000348940010900503 doi Subjects--Topical Terms: AbscessAdolescentAdultBarium RadioisotopesCaustics--therapeutic useCautery--methodsChildChild, PreschoolEsophagoscopy--methodsFemaleHumansLaryngeal Diseases--diagnosisLaryngoscopy--methodsMaleMiddle AgedNeckRecurrenceRespiratory Tract Fistula--diagnosisRetrospective StudiesTomography, X-Ray ComputedTrichloroacetic Acid--therapeutic use