FALKENBERG, H. K.; JOHANSEN, T. R.; THORUD, H.-M. S. Headache, eyestrain, and musculoskeletal symptoms in relation to smartphone and tablet use in healthy adolescents . Scandinavian Journal of Optometry and Visual Science, [S. l.], v. 13, n. 2, p. 8–14, 2020. DOI: 10.5384/sjovs.vol13i2p8-14. Disponível em: https://sjovs.org/index.php/SJOVS/article/view/122. Acesso em: 13 apr. 2021.