Farhad, S., V. Esfahanian, N. Farkhani, N. Vajdi, M. Barekatain, فرهادش. ز., اصفهانیانو., فرخانین., وجدین., and برکتینم. “Clinical Comparison of Treatment Response Patterns Following Non-Surgical Periodontal Therapy in Passive Smokers With Chronic Mild to Moderate Periodontiti”. Journal of Isfahan Dental School, Vol. 9, no. 6, Dec. 2013, pp. 518-25, doi:https://doi.org/10.48305/v9i6.744.