Mohamed Elshewy, S. M., Hussain , R., Osman, Y. H. A., Ch , A. I., Wajid, H., Ahmed, M., Khan , A. J. and Akram, A. (2025) “Effectiveness of Non-Invasive Ventilation vs. Invasive Ventilation in Acute COPD Exacerbation: A Meta-Analysis of Randomized and Observational Studies”, Indus Journal of Bioscience Research, 3(3), pp. 135–141. doi: 10.70749/ijbr.v3i3.959.