PAUDEL, S.; SHRESTHA, R. M.; NAPIT, S. A century of Hawley retainer. Orthodontic Journal of Nepal, [S. l.], v. 11, n. 2, p. 80–87, 2021. DOI: 10.3126/ojn.v11i2.43283. Disponível em: https://nepjol.info/index.php/OJN/article/view/43283. Acesso em: 6 may. 2024.