Pradhananga S, Singh S, Panta P. Prevalence of Smoking among Medical Students in Kathmandu, Nepal. Nep. Med. Coll. J. [Internet]. 2019 Aug. 3 [cited 2024 Dec. 26];20(4):169-72. Available from: https://nepjol.info./index.php/nmcj/article/view/25141