Taheri S, Pouyafard A, Rashidi Maybodi F. Association between Passive Smoking, Salivary Calcium level, and Periodontal Health: A Cross-Sectional Study : Passive Smoking and Periodontal Health. Regen Reconstr Restor [Internet]. 2024 Sep. 8 [cited 2026 Jul. 28];9. Available from: https://journals.sbmu.ac.ir/tripleR/article/view/45535