1-Schulz GM, Grant MK. Effects of speech therapy and pharmacologic and surgical treatments on voice and speech in Parkinson's disease: a review of the literature. J Commun Disord 2000;33(1):59-88.
2-Goberman AM, Elmer LW. Acoustic analysis of clear versus conversational speech in individuals with Parkinson disease. J Commun Disord 2005;38(3):215-30.
3-
Ziegler W,
Hoole P,
Hartmann E,
von Cramon D. Accelerated speech in dysarthria after acquired brain injury: acoustic correlates. Br J Disord Commun 1988;23(3):215-28.
4-Kent RD, Kent JF, Weismer G, Duffy JR. What dysarthrias can tell us about the neural control of speech. J Phonetics 2000;28(3):273-302.
5-Richter S,
Schoch B,
Ozimek A,
Gorissen B,
Hein-Kropp C,
Kaiser O, et al. Incidence of dysarthria in children with cerebellar tumors: a prospective study. Brain Lang 2005;92(2):153-67.
6-Kent RD,
Weismer G,
Kent JF,
Rosenbek JC. Toward phonetic intelligibility testing in dysarthria. J Speech Hear Disord 1989;54(4):482-99.
7-Kent RD. Intelligibility in speech disorders: theory, measurement and management. Amsterdam: John Benjamins; 1992.
8-Kent RD,
Weismer G,
Kent JF,
Vorperian HK,
Duffy JR. Acoustic studies of dysarthric speech: methods, progress, and potential. J Commun Disord 1999;32(3):141-80.
9-Miller N,
Allcock L,
Jones D,
Noble E,
Hildreth AJ,
Burn DJ. Prevalence and pattern of perceived intelligibility changes in Parkinson's disease. J Neurol Neurosurg Psychiatry 2007;78(11):1188-90.
10-Bunton K, Weismer G. The relationship between perception and acoustics for a high-low vowel contrast produced by speakers with dysarthria. J Speech Lang Hear Res 2001;44(6):1215-28.
11-Kent RD,
Vorperian HK,
Kent JF,
Duffy JR. Voice dysfunction in dysarthria: application of the Multi-Dimensional Voice Program. J Commun Disord 2003;36(4):281-306.
12-Kent RD. Vocal tract acoustics. J Voice 1993;7(2):97-117.
