TY - GEN AU - Aggarwal,Deepak AU - Mohapatra,Prasanta Raghab TI - Non-invasive positive pressure ventilation for severe COPD SN - 2213-2619 PY - 2015///1022 KW - Female KW - Humans KW - Male KW - Noninvasive Ventilation KW - methods KW - Positive-Pressure Respiration KW - Pulmonary Disease, Chronic Obstructive KW - mortality N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1016/S2213-2600(14)70199-7 ER -