1. A Statistical Study of Otitis Media in Children;Heller;J. Pediat.,1940
2. Otitis Media as a Pediatrician Sees It;Brennemann;J. A. M. A.,1931
3. Proper Use of Antibiotics in Treatment of Otitis Media;Rutherford;Calif. Med.,1951
4. Livingston, G. S.: Diseases of the Earand Its Appendages, Brennemann's Practice of Pediatrics, Vol. 4, Chap. 39, Hagerstown, Md., W. F. Prior Co.