Ubaid Ullah, Fatima Nasir, Narjis Zaidi. Knowledge, Frequency, and Perceptions of E-cigarettes among Medical Students at Rawalpindi Medical University: A Cross-Sectional Study. sjrmu [Internet]. 2025 Dec. 30 [cited 2026 Apr. 30];29(2). Available from: https://supp.journalrmc.com.135-181-231-204.cpanel.site/index.php/public/article/view/382