BYEON, Haewon. The Combined Effects of Lee Silverman Voice Treatment and Abdominal Respiration on the Maximum Phonation Time in Parkinson’s Disease. International Journal of Engineering and Technology, [S. l.], v. 7, n. 4.39, p. 86–89, 2018. DOI: 10.14419/ijet.v7i4.39.23712. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/23712.. Acesso em: 16 aug. 2025.