Estimation Of Alkaline Phosphatase In Gcf (Gingival Crevicular Fluid) Among Chronic Periodontitis Patients With Smoking Habit. Journal of Pharmaceutical Negative Results, [S. l.], p. 510–513, 2023. DOI: 10.47750/pnr.2023.14.S02.64. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/6732.. Acesso em: 3 jun. 2026.