C. Baveystock

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 .

chronic airflow limitation

P. Jones, H. Parnell, P. Littlejohns, 2022 .

A self-complete measure of health status for chronic airflow limitation. The St. George's Respiratory Questionnaire.

P. Jones, F. Quirk, P. Jones, 1992, The American review of respiratory disease.

Relationships between general health measured with the sickness impact profile and respiratory symptoms, physiological measures, and mood in patients with chronic airflow limitation.

P Littlejohns, P. Jones, P. Jones, 1989, The American review of respiratory disease.