T. R. Arias, M. Betancort Montesinos, C. Hernández Kauffman, and A. Pérez del Olmo, “Efficacy of semi-occluded vocal tract exercises in essential tremor: a case study”, Rev. investig. logop., vol. 13, no. 1, p. e80480, Jan. 2023, doi: 10.5209/rlog.80480.