K. . Nemr, M. . Simões-Zenari, V. C. de . Almeida, G. A. . Martins, and I. T. . Saito, “COVID-19 and the teacher’s voice: self-perception and contributions of speech therapy to voice and communication during the pandemic”, Clinics, vol. 76, p. e2641, Nov. 2021, doi: 10.6061/clinics/2021/e2641.