Niraj Bam, Tek Narayan Shrestha, Santa Kumar Das, and Bibek Shrestha, “Impact of Demographic and Lifestyle Factors on the Outcome of Non-Invasive Positive Pressure Ventilation in Acute Exacerbation of COPD: An Observational Study”, J Univ Coll Med Sci, vol. 13, no. 03, pp. 24–28, Dec. 2025.