NicholsJ. E. H.: The Sequelae of Syphilis in the Pharynx and Their Treatment. Trans. Am. Laryng. Asso., 18:161–168, 1896.
2.
FigiFrederick A.: Stenosis of the Nasopharynx. Arch. Otolaryng., 10:480–490 (Nov.), 1929.
3.
O'ConnorGerald B.: Pharyngeal Reconstruction for Nasophayngeal Stenosis. A New Operative Procedure. Annals of Otology, Rhinology and Laryngology, 46:376–386 (June), 1937.