1. Mucosal cysts of the maxillary sinus;Kwapis;J Oral Surg,1971
2. Spherical shadows within the maxillary antrum;Lilly;J Oral Med,1968
3. Cysts arising from the mucosa of the maxillary sinus as seen in the dental roentgenogram;Milhon;Am J Orthod,1944
4. Maxillary sinus abnormalities. Radiographic evidence in an asymptomatic population;Fascenelli;Arch Otolaryngol,1969
5. Textbook of oral pathology;Shafer,1963