SHYAGALI, Tarulatha; SALAMA, Mohamed Helmy; BHAYYA, Deepak. Prevalence of tobacco usage and its effect on the periodontal health parameters in the mining employees and the general population- A Comparative study. Brazilian Journal of Oral Sciences, Limeira, SP, v. 16, p. 1–9, 2017. DOI: 10.20396/bjos.v16i0.8650489. Disponível em: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8650489. Acesso em: 16 aug. 2024.