F. . Revollo-Zúñiga, J. . Hernández-Blanco, A. . Salazar-Ceballos, and A. . Davila-Cueto, “Prevalence of voice disorders in teachers Universidad del Magdalena, Colombia 2017-2018”, Duazary, vol. 17, no. 2, pp. 1–9, Apr. 2020.