Inhalation of varying concentrations of oxygen in the treatment of severe pulmonary insufficiency.
D000280:Administration, Inhalation; D004194:Disease; D006801:Humans; D010100:Oxygen / Q000628:therapy*; D010102:Oxygen Inhalation Therapy; D012120:Respiration Disorders; D012137:Respiratory System; D012140:Respiratory Tract Diseases
D010100:Oxygen
OXYGEN/therapy; RESPIRATORY SYSTEM/diseases