[Characteristics of respiratory changes during oxygen inhalation in patients with chronic respiratory insufficiency and its clinical significance].
D002908:Chronic Disease; D004194:Disease; D006801:Humans; D010100:Oxygen / Q000628:therapy*; D010102:Oxygen Inhalation Therapy; D012131:Respiratory Insufficiency; D012137:Respiratory System; D012140:Respiratory Tract Diseases
D010100:Oxygen
OXYGEN/therapy; RESPIRATORY SYSTEM/diseases