1. Congenital atresia of the posterior nares;Baker;Arch. Otol.,1953
2. Surgical management of the complete and incomplete bony atresia of the posterior nares;Beinfield;Trans. Am. Acad. Ophthalmol. Otolaryngol.,1956
3. Birth Defects Compendium,1979
4. Correction of congenital choanal atresia in children and adults;Carpenter;Laryngoscope,1977
5. Congenital choanal atresia;Colver;Ann. Otol.,1937