Alkhalifah AF, Agarwal P. Cigarette smoking prevalence and awareness of its oral health effects amongst medical students in Qassim Region, Saudi Arabia. Int J Community Med Public Health [Internet]. 2020 Mar. 26 [cited 2026 Feb. 1];7(4):1240-3. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/6116