Joshi, V. , Nyrvan Baishya, Sangramsingh Dixit and Athavale AU 2022. Study of use of non-invasive ventilation in patients of acute exacerbation of chronic obstructive pulmonary disease. Asian Journal of Medical Sciences. 13, 7 (Jul. 2022), 71–76. DOI:https://doi.org/10.3126/ajms.v13i7.43342.