Periodontal treatment needs of urban and rural populations in Edo State, Nigeria. Nigerian Dental Journal, [S. l.], v. 15, n. 1, p. 13–17, 2007. DOI: 10.61172/ndj.v15i1.200. Disponível em: https://nigeriandentaljournal.ng/index.php/ndj/article/view/200. Acesso em: 19 sep. 2024.