1. Pauwels RA , Buist AS , Calverley PM , Jenkins CR , Hurd SS and the GOLD scientific committee . Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonary disease. NHLBI7WHO Global Obstructive Lung Disease (GOLD) workshop summary . Am J Respir Crit Care Med2001; 163: 1256-1276 .
2.
2. Medical Research Council Working Party . Long term domiciliary oxygen therapy in chronic hypoxic cor pulmonale complicating chronic bronchitis and emphysema . Lancet1981; 28: 681-686 .
3.
3. Nocturnal Oxygen Therapy Trial Group . Continuous or nocturnal oxygen therapy in hypoxaemic chronic obstructive lung disease: a clinical trial . Ann Intern Med1980; 93: 391-398 .
4.
4. Jones MM , Harvey JE , Tattersfield AE . General practice observed. How patients use domiciliary oxygen . Br Med J1978; 1: 1397-1400 .
5.
5. Woodcock AA , Gross ER , Geddes DM . Oxygen relieves breathlessness in ‘pink puffers’ . Lancet1981; 1: 707-709 .
6.
6. Evans TW , Waterhouse JC , Carter A , Nicholl JF , Howard P . Short burst oxygen treatment for breathlessness in chronic obstructive airways disease . Thorax1986; 41: 611-615 .
7.
7. Rhind C , Prince K , Scott W , Fleley DC . Symptomatic oxygen therapy in hypoxic chronic bronchitis . Thorax1986; 41: 245-245 .
8.
8. McKeon J , Murree-Allen K , Saunders N . Effects of breathing supplemental oxygen before progressive exercise in patients with chronic obstructive lung disease . Thorax1988; 43: 53-56 .
9.
9. Killen JWW , Corris PA . A pragmatic assessment of the placement of oxygen when given for exercise induced dyspnoea . Thorax2000; 55: 544-546 .
10.
10. Nandi K , Smith AA , Crawford A et al. Oxygen supplementation before or after submaximal exercise in patients with chronic obstructive pulmonary disease . Thorax2003; 58: 670-673 .
11.
11. Lewis CA , Eaton TE , Young P , Kolbe J . Short-burst oxygen immediately before and after exercise is ineffective in nonhypoxic COPD patients . Eur Respir J2003; 22: 584-588 .
