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Effect of palliative oxygen versus room air in relief of breathlessness in patients with refractory dyspnoea: a double-blind, randomised controlled trial.
Abernethy AP, McDonald CF, Frith PA, Clark K, Herndon JE 2nd, Marcello J, Young IH, Bull J, Wilcock A, Booth S, Wheeler JL, Tulsky JA, Crockett AJ, Currow DC. Abernethy AP, et al. Lancet. 2010 Sep 4;376(9743):784-93. doi: 10.1016/S0140-6736(10)61115-4. Lancet. 2010. PMID: 20816546 Free PMC article. Clinical Trial.