Long-term oxygen therapy in moderate hypoxaemia.
Anthonisen
N R
NR
D002986:Clinical Trials as Topic; D006801:Humans; D000860:Hypoxia / Q000628:therapy*; D008173:Lung Diseases, Obstructive / Q000628:therapy*; D010102:Oxygen Inhalation Therapy; D013997:Time Factors; D016896:Treatment Outcome