Prevalence Of Gingival Recession Among Patients Using Different Forms of Tobacco in South Indian Population- A Retrospective Study. Journal of Pharmaceutical Negative Results, [S. l.], p. 927–933, 2022. DOI: 10.47750/pnr.2022.13.S04.109. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/1024.. Acesso em: 3 jun. 2026.