Parajuli A, Pandey N, Jha SK, Dahal B, Gautam S. A study of clinical presentation, precipitating factors, and predictors of severity among patients with acute exacerbation of COPD attending the Emergency department of a tertiary care center. JGMC-Nepal. 2026;19(1):18-22. doi:10.3126/jgmc-n.v19i1.92595