CHELLAPPA, L. R. .; LEELAVATHI, L.; JAYASHRI, P. Age and gender distribution of community periodontal index of treatment needs - a record-based study. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 2, p. 2324–2335, 2021. Disponível em: https://cibgp.com/au/index.php/1323-6903/article/view/1137. Acesso em: 5 jan. 2025.