Allison, K. ., Annear, L. ., Policicchio, M. ., & Hustad, K. . (2017). Range and Precision of Formant Movement in Pediatric Dysarthria. Journal of Speech, Language, and Hearing Research : JSLHR, 60(7), 1864-1876. https://doi.org/10.1044/2017_JSLHR-S-15-0438 (Original work published 2017)
