Simultaneous occurrence of periodontal disease and dental caries in Ibadan seconday school children. Nigerian Dental Journal, [S. l.], v. 22, n. 1, p. 38–43, 2015. DOI: 10.61172/ndj.v22i1.52. Disponível em: https://www.nigeriandentaljournal.ng/index.php/ndj/article/view/52. Acesso em: 4 may. 2025.