Moya-Gale G, Spielman J, Ramig LA, Campanelli L, et al. The Acoustic Voice Quality Index (AVQI) in People with Parkinson's Disease Before and After Intensive Voice and Articulation Therapies: Secondary Outcome of a Randomized Controlled Trial. J Voice 2022 Apr 18. pii: S0892-1997(22)00080.
PMID: 35450735