Study of the effect of smoking on the occurrence of xerostomia within a sample of patients attending the Faculty of Dentistry, Damascus University (a cross-sectional observational study). Journal of Hama University , [S. l.], v. 6, n. 2, 2024. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/1170. Acesso em: 6 jun. 2026.