B. NA, D. V. K.; R, D. S. K.; B, D. P.; MUTHU, D. J.; K, D. S. Prevalence of Periodontal Disease Among Coal Mine Workers in Tamilnadu: Life Sciences-Health. International Journal of Life Science and Pharma Research, [S. l.], v. 12, n. SP25, p. L79-L85, 2022. DOI: 10.22376/ijpbs/lpr.2022.12.6.SP25.L79-85. Disponível em: https://www.ijlpr.com/index.php/journal/article/view/1433. Acesso em: 1 feb. 2026.