TY  - JOUR 
T1  - Spectral and vocal tract diagram differences in spoken and sung vowel production by soprano singers
JO  - Revista CEFAC
A1  - Souza, Glaucia Verena Sampaio de
A1  - Simões-Zenari, Marcia
A1  - Nemr, Katia
SN  - 1516-1846
UL  - 10.1590/1982-0216/20262849025
VL  - 28 
Y1  - 2026
PB  - Brasil 
ER  -