BudhathokiPravash, ShresthaDhan Bahadur, SedhaiYub Raj, BaniyaRamkaji, BhattAyush, ChaudharyKabita, AcharyaAstutee, RajkarnikarRuja, BasnetMadan, and Atreya Alok. “Prevalence and Risk Factors of COPD in Nepal: A Systematic Review and Meta-Analysis”. Journal of Nepal Health Research Council 19, no. 04 (March 13, 2022): 652-660. Accessed May 3, 2024. http://jnhrc.com.np/index.php/jnhrc/article/view/3543.