Dreher - Figure 16
Mortality Rate Reduction: A Prospective, Multicentre, Randomised, Controlled Clinical Trial
References
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Köhnlein T, Windisch W, Köhler D, et al. Noninvasive positive pressure ventilation for the treatment of severe stable chronic obstructive pulmonary disease: a prospective, multicentre, randomised, controlled clinical trial. Lancet Respir Med. 2014;2:698–705.