Omer Yahia, Amar Ibrahim, Saad Abdullah Saad Alshahrani, and Hani Ali Mohammed Asiri. “Prevalence of Cigarette Smoking and Its Characteristics Among Undergraduate Medical Students at AL-Ghad International College, Abha City, Saudi Arabia”. Indian Journal of Community Health 30, no. 4 (December 31, 2018): 395–399. Accessed April 16, 2024. http://www.iapsmupuk.org/journal/index.php/IJCH/article/view/952.