J. Mackenzie

The Impact of Dysphonic Voices on Healthy Listeners: Listener Reaction Times, Speech Intelligibility, and Listener Comprehension.

Paul M. Evitts, Heather M. Starmer, Chris Montgomery, 2016, American journal of speech-language pathology.

A study of the application of a frequency transposition hearing system in children

J. Mackenzie, S. Worth, J. Bradley, 2001, British journal of audiology.