Bam N, Shrestha TN, Das SK, Shrestha B. Effect of Timing and Duration of Non-Invasive Ventilation on Outcomes in Acute Exacerbation of COPD: A Prospective Study from Nepal. Birat J. Health Sci. [Internet]. 2025 Dec. 31 [cited 2026 May 25];10(3):85-90. Available from: https://nepjol.info/index.php/bjhs/article/view/94854