Busapogula, D. K., Rakesh, A., Sailaja, K. and Nithin Linga Reddy, P. (2022) “Early use of non-invasive ventilation for acute exacerbations of chronic obstructive pulmonary diseaseon general respiratory wards: A prospective study”, International journal of health sciences, 6(S4), pp. 8479–8487. doi: 10.53730/ijhs.v6nS4.10694.