References
- Arslan M. Proc. 5th Cong. Int. Oto‐rhino‐laryng. 1953; 429
- Bates W. J., Bullen M. A. J. Sci. Instrum., To be published.
- Bradfield G. Memorandum Phys/U.67. Nat. Phys. Lab., Teddington 1960
- James J. A., Dalton G. A., Bullen M. A., Freundlich H. F., Hopkins J. C. J. Laryng. 1960
- Fry W. J., Brennan J. F., Barnard J. W. Ultrasound in Biology and Medicine. 1957; 110