title: Helium/oxygen therapy.
mesh_terms: D000402:Airway Obstruction / Q000628:therapy*; D006371:Helium / Q000008:administration & dosage*; D006801:Humans; D010100:Oxygen / Q000008:administration & dosage*; D012138:Respiratory Therapy / Q000379:methods*
chemical_list: D006371:Helium; D010100:Oxygen