Journal of Speech, Language, and Hearing Research, January 2017, Vol. 60:121-135. doi:10.1044/2016_JSLHR-L-15-0131
Perspectives of the ASHA Special Interest Groups, December 2016, Vol. 1:68-86. doi:10.1044/persp1.SIG9.68
Journal of Speech, Language, and Hearing Research, August 1994, Vol. 37:868-882. doi:10.1044/jshr.3704.868
Journal of Speech and Hearing Disorders, November 1990, Vol. 55:779-798. doi:10.1044/jshd.5504.779
This PDF is available to Subscribers Only
To access this pdf, log in to an existing user account, become an associate, or purchase a short-term subscription.