1. Congenital choanal atresia;Hobolth;Acta Peadiatr Scand,1967
2. Bilateral congenital choanal atresia associated with anomalies of the foregut;Buckfield;Aust Paediatr J,1971
3. Choanal atresia and/or cardiac disease;Stool;Pediatrics,1968
4. Posterior choanal atresia;Williams;Am J Roentgenol,1971
5. Inherited partial trisomy 8q (22→qter);Townes;Am J Dis Child,1978