VAKTSKJOLD, A. Frequency of tooth brushing and associated factors among adolescents in western Norway. Norsk Epidemiologi, [S. l.], v. 28, n. 1-2, 2019. DOI: 10.5324/nje.v28i1-2.3056. Disponível em: https://www.ntnu.no/ojs/index.php/norepid/article/view/3056. Acesso em: 18 may. 2021.