ALKHALIFAH, A. F.; AGARWAL, P. Cigarette smoking prevalence and awareness of its oral health effects amongst medical students in Qassim Region, Saudi Arabia. International Journal Of Community Medicine And Public Health, [S. l.], v. 7, n. 4, p. 1240–1243, 2020. DOI: 10.18203/2394-6040.ijcmph20201426. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/6116. Acesso em: 1 feb. 2026.