Ahmed, Mushfiq Newaz, Nihar Ranjan Saha, and Md Sayedul Islam. 2023. “Prediction of the Need for Niv in Patients With Acute Exacerbation of Chronic Obstructive Pulmonary Disease: A Comparative Study Between Decaf And Modified Decaf Score”. Bangladesh Journal of Medicine 34 (20):208-9. https://doi.org/10.3329/bjm.v34i20.66162.