1. Potter, E. L.: The Pathology of the Fetus and the Newborn. Year Book, 1952.
2. Peroral Endoscopy;Clerf;Arch. Otol.,1950
3. A Study of the Causes of Fetal and Neonatal Mortality on the Obstetric Service of Bellevue Hospital;Labate;Amer. Jour. Obstet. and Gynec.,1947
4. Beinfield, H. H.: Babies Do Suffocate: The Relationship Between Atresia of the Posterior Nares and Asphyxia Neonatorum. Bulletin, King County Med. Soc., May, 1953.