1. Long-term domiciliary oxygen therapy in chronic hypoxic cor pulmonale complicating chronic bronchitis and emphysema;Party, Medical Research Council Working;Lancet,1981
2. Nocturnal Oxygen Therapy Trial Group. Continuous or nocturnal oxygen therapy in hypoxemic chronic lung disease: a clinical trial;Ann Intern Med,1980
3. Predictors of survival in patients with chronic obstructive pulmonary disease treated with long-term oxygen therapy;Skwarski, K.; MacNee, W.; Wraith, P.K.; Sliwinski, P.; Zielinski, J.;Chest,1991
4. Prognosis of severely hypoxemic patients receiving long-term oxygen therapy;Dubois, P.; Jamart, J.; Machiels, J.; Smeets, F.; Lulling, J.;Chest,1994
5. Indications and methods of longterm oxygen therapy;Zielinski, J.; Sliwinski, P.;Eur Respir Rev,1991