title: Heliox in chronic obstructive pulmonary disease: lightening the airflow.
authors.forename: Jadwiga A
authors.initials: JA
authors.lastname: Wedzicha
mesh_terms: D017079:Exercise Tolerance / Q000187:drug effects; D006371:Helium / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D010100:Oxygen / Q000008:administration & dosage / Q000627:therapeutic use*; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000503:physiopathology
chemical_list: D006371:Helium; C038949:heliox; D010100:Oxygen