Rana, Deepshikha Rajya Laxmi. “Lung Cancer in Relation to Smoking, Including Relighting Cigarette Butts: Kathmandu Valley: ‘An Unmatched Case Control Study’”. Journal of Health Research 31, no. Suppl. 2 (February 28, 2018): S171–178. Accessed April 20, 2024. https://he01.tci-thaijo.org/index.php/jhealthres/article/view/114537.