B. Dougill

The effects of Heliox on the output and particle-size distribution of salbutamol using jet and vibrating mesh nebulizers.

H. Bland, C. O'callaghan, J. White, 2007, Journal of aerosol medicine : the official journal of the International Society for Aerosols in Medicine.

The effect of helium and oxygen on exercise performance in chronic obstructive pulmonary disease: a randomized crossover trial.

P. Calverley, P. Jones, M. Campbell, 2006, American journal of respiratory and critical care medicine.

The effect of helium and oxygen on exercise performance in COPD: A randomised crossover trial: Am J Respir Crit Care Med 2006; published online ahead of print on 26 January 2006 as doi:10.1164/rccm.200506-925OC

P. Calverley, M. Campbell, E. Laude, 2006 .