The effect of helium and oxygen mixtures on pulmonary resistances in emphysema.
D004646:Emphysema; D006371:Helium / Q000628:therapy*; D006801:Humans; D008168:Lung; D010100:Oxygen / Q000628:therapy*; D010102:Oxygen Inhalation Therapy; D011656:Pulmonary Emphysema / Q000628:therapy*
D006371:Helium; D010100:Oxygen
HELIUM/therapy; OXYGEN/therapy; PULMONARY EMPHYSEMA/therapy