A study of the effect of frequency of tooth brushing on the prevalence of inflammatory periodontal diseases. Port Harcourt Medical Journal, [S. l.], v. 10, n. 3, p. 119–123, 2016. DOI: 10.60787/phmj.v10i3.41. Disponível em: https://phmj.org.ng/index.php/home/article/view/41. Acesso em: 22 dec. 2024.