Comparison between nocturnal nasal positive pressure ventilation combined with oxygen therapy and oxygen monotherapy in patients with severe COPD.
Am J Respir Crit Care Med. 1996 Aug;154(2 Pt 1):353-8. doi: 10.1164/ajrccm.154.2.8756806.
Am J Respir Crit Care Med. 1996.
PMID: 8756806
Clinical Trial.