Increased quality of life and survival rates

1. Continuous or Nocturnal Oxygen Therapy in Hypoxemic Chronic Obstructive Lung Disease: A Clinical Trial in Annals of Internal Medicine, 1980; 93(3): 391 – 398

2. Report from the Medical Research Council Working Party. Long Term Domiciliary Oxygen Therapy In Chronic Hypoxic Cor Pulmonale Complicating Chronic Bronchitis And Emphysemain The Lancet, Volume 317, No. 8222, 681 – 686, March 198

Reduced depression

1. Petty T, Supportive Therapy in COPD in Chest, 1998; 113(4_supplement); 256S-262S
2. Cottrell J, et al. Home Oxygen Therapy : A Comparison of 2- vs 6-Month Patient Reevaluationin Chest, 1995;107 (2):358-361

Reduced hospitalisation

1. Ringbaek TJ, et al. Does long-term oxygen therapy reduce hospitalisation in hypoxaemic chronic obstructive pulmonary disease? in European Respiratory Journal, 2002; 20:1, 38–42