Zhang, L., Zhao, W., Xu, Q., Zhao, Y., Zhao, J., Ren, Y.- long, Liu, Y.- jing, Li, J., & Xu, A.-G. (2016). Non-invasive positive pressure ventilation offers greater improvement in COPD-related respiratory failure when combined with naloxone. Bangladesh Journal of Pharmacology, 11(2), 359–363. https://doi.org/10.3329/bjp.v11i2.25469