References
- Bordley J. E. The Laryngoscope 1952; 62: 514
- Everberg G. Acta Oto-Laryng. 1957; 48: 397
- Fowler E. P., Jr., Basek M. Arch. Otolaryng. 1954; 59: 476
- Holmgren L. Förh. v. Svensk Otol. Fören's Möte: Lund. 1952; 25
- Kinney C. E. The Laryngoscope 1953; 63: 220
- Lindsay Davey, Ward. Trans. Amer. Otol. Soc. 1960; 48: 262
- Shambaugh G. E. Arch. Otolaryngol. 1928; 7: 424
- Wesselhoft C. Virus and Richettsial Diseases. Harward Univ. Press. 1943
- Wilson T. G. Diseases of the Ear, Nose and Throat in Children. Grune & Shatton, Inc., New York 1955
- Yarsley, McLeod. Brit. Jour. Child. Dis. 1934; 31: 177