Hussain, M.; Riasat, M.; Nisa, W.-U.; khattak, I.; Ullah, F.; Shaid, F. Assessment of Effect of Cigarette Smoking on Periodontal Health of Patients Reporting to Dental Section of Bacha Khan Medical College Mardan. Pak J Public Health 2021, 10 (3), 185-189. https://doi.org/10.32413/pjph.v10i3.506.