Covid-19 and remote learning: predictive factors of perceived improvement or worsening of the voice in brazilian teachers - Nemr, Nair Katia; Zenari, Marcia Simões; Cologis, Vanessa Cassia de Almeida; Martins, Glauciene Amaral; Saito, Isabele Tiemi; Goncalves, Renata da Silva (Journal of voice, 2024)