Anach, S.U., Quadry, S.A., Hossain, M.E., Rayhan, M.A. and Dhar, D. 2026. Association of pro-brain natriuretic peptide with degree of severity and prognostic outcome in patients with acute exacerbation of chronic obstructive pulmonary disease . International Journal of Research in Medical Sciences. 14, 11 (Oct. 2026), 4995–5003. DOI:https://doi.org/10.18203/2320-6012.ijrms20264154.