Scholl Matter, S., Assumpção de Andrada e Silva, M., Camargo, Z., Piccolotto Ferreira, L., & Sousa, N. (2025). Effects of LaxVox exercise on vocal tract resonance of lyric sopranos. Vortex Music Journal, 13, 1–31. https://doi.org/10.33871/vortex.2025.13.9912