References
- Albanese, A., Colosimo, C., Bentivoglio, A. R., Fenici, R., Melillo, G., Colosimo, C., & Tonali, P. (1995). Multiple system atrophy presenting as parkinsonism: Clinical features and diagnostic criteria. Journal of Neurology, Neurosurgery, and Psychiatry, 59(2), 144-151. https://doi.org/10.1136/jnnp.59.2.144
- Baken, R. J., & Orlikoff, R. F. (2000). Clinical measurement of speech and voice (2nd edition). San Diego: Singular.
- Ben-Shlomo, Y., Wenning, G. K., Tison, F., & Quinn, N. P. (1997). Survival of patients with pathologically proven multiple system atrophy: A meta-analysis. Neurology, 48(2), 384-393. https://doi.org/10.1212/WNL.48.2.384
- Boutsen, F., Park, E., Dvorak, J., & Cid, C. (2018). Prosodic improvement in persons with parkinson disease receiving SPEAK OUT!(R) voice therapy. Folia Phoniatrica et Logopaedica, 70(2), 51-58. https://doi.org/10.1159/000488875
- Countryman, S., Ramig, L. O., & Pawlas, A. A. (1994). Speech and voice deficits in parkinsonian plus syndromes: Can they be treated? NCVS Status and Progress Report, 6(5), 99-111.
- Duffy, J. R. (2005). Motor speech disorders. Substrates, differential diagnosis and management. (2nd edition). St. Louis: Mosby.
- Flabeau, O., Meissner, W. G., & Tison, F. (2010). Multiple system atrophy: Current and future approaches to management. Therapeutic Advances in Neurological Disorders, 3(4), 249-263. https://doi.org/10.1177/1756285610375328
- Freed, D. B. (2018). Motor speech disorders: Diagnosis and treatment (3rd edition). San Diego: Plural Publishing.
- Hartelius, L., Gustavsson, H., Astrand, M., & Holmberg, B. (2006). Perceptual analysis of speech in multiple system atrophy and progressive supranuclear palsy. Journal of Medical Speech-anguage Pathology, 14(4), 241-247.
- Kim, Y., Kent, R. D., Kent, J. F., & Duffy, J. R. (2010). Perceptual and acoustical features of dysarthria in multiple system atrophy. Journal of Medical Speech-Language Pathology, 18(4), 66-70.
- Kluin, K. J., Gilman, S., Lohman, M., & Junck, L. (1996). Characteristics of the dysarthria of multiple system atrophy. Archives of Neurology, 53, 545-548. https://doi.org/10.1001/archneur.1996.00550060089021
- Levin, J., Kurz, A., Arzberger, T., Giese, A., & Hoglinger, G. U. (2016). The differential diagnosis and treatment of atypical parkinsonism. Deutsches Arzteblatt International, 113, 61-69.
- Levitt, J. S. (2014). Case study: The effects of the "SPEAK OUT!(R)" voice program for Parkinson's disease. International Journal of Applied Science and Technology, 4(2), 20-28.
- Park, Y. (2018). Possibility of motor speech improvement in people with spinocerebellar ataxia via intensive speech treatment. The Journal of the Korea Contents Association, 11, 634-642.
- Parkinson Voice Project (2018). Parkinson's information session. Retrieved from http://www.parkinsonvoiceproject.org/ on October 1, 2018.
- Pezzoli, G., Canesi, M., & Galli, C. (2004). An overview of parkinsonian syndromes: Data from the literature and from an Italian data-base. Sleep Medicine, 5(2), 181-187. https://doi.org/10.1016/j.sleep.2003.10.009
- Quinn, N. (1989). Multiple system atrophy-the nature of the beast. Journal of Neurology, Neurosurgery, and Psychiatry, 78(Suppl), 78-89.
- Schrag, A., Ben-Shlomo, Y., & Quinn, N. P. (1999). Prevalence of progressive supranuclear palsy and multiple system atrophy: A cross-sectional study. Lancet, 354(9192), 1771-1775. https://doi.org/10.1016/S0140-6736(99)04137-9
- Stefanova, N. Bucke, P., Duerr, S., & Wenning, G. K. (2009). Multiple system atrophy: An update. The Lancet Neurology, 8(12), 1172-1178. https://doi.org/10.1016/S1474-4422(09)70288-1
- Watts, C. R. (2016). A retrospective study of long-term treatment outcomes for reduced vocal intensity in hypokinetic dysarthria. BMC Ear Nose Throat Disorders, 16(2), 1-7. https://doi.org/10.1186/s12901-015-0021-1
- Wenning, G. K., & Stefanova, N. (2009). Recent development in multiple system atrophy. Journal of Neurology, 256, 1791-1808. https://doi.org/10.1007/s00415-009-5173-8
- Wenning, G. K., Colosimo, C., Gesser, F., & Poewe, W. (2004). Multiple system atrophy. The Lancet Neurology, 3(2), 93-103 https://doi.org/10.1016/S1474-4422(03)00662-8