Aryal UR, Lohani S. Perceived risk of cigarette smoking among college student; Journal Nepal Health Research Council 2011, 9 (19):176-180.
Aryal UR, Lohani S. Perceived risk of cigarette smoking among college student; Journal Nepal Health Research Council 2011, 9 (19):176-180.
http://www.ncbi.nlm.nih.gov/pubmed/22929849
