Oxygen versus air-driven nebulisers for exacerbations of chronic obstructive pulmonary disease: a randomised controlled trial.
George BardsleyJanine PilcherSteven McKinstryPhilippa ShirtcliffeJames BerryJames FingletonMark WeatherallRichard BeasleyPublished in: BMC pulmonary medicine (2018)
Australian New Zealand Clinical Trials Registry number ACTRN12615000389505 . Registration confirmed on 28/4/15.