References
- Firestone F. A. Supersonic reflectoscope, an instrument for inspecting the interior of solid parts by means of sound waves. J. Acoust. Soc. Amer. 1945; 17: 287
- Hertz C. H. Ultrasonic engineering in heart diagnosis. Am. J. Cardiology 1967; 19: 6, 6
- Hertz C. H., Edler I. Die Registrierung von Herzwandbewegungen mit Hilfe des Ultraschall-Impulsverfahrens. Acustica 1956; 6: 361
- Minifie F., Kelsey Ch. A., Hixon Th. Measurement of vocal fold motion using an ultrasonic Doppler velocity monitor. J. Acoust. Soc. Amer. 1967; 5: 1165
- Smith S. Remarks on the physiology of the vibrations of the vocal cords. Fol. Phoniat. 1954; 6: 166
- Sonesson B. On the anatomy and vibratory pattern of the human vocal folds. With special reference to a photo-electrical method for studying the vibratory movements. Acta Otolaryng. (Stockh.) 1960; 156, Suppl.