title: Heliox questions.
authors.forename: Angus
authors.initials: A
authors.lastname: Waddell
authors.forename: Kate
authors.initials: K
authors.lastname: Evans
mesh_terms: D006371:Helium / Q000737:chemistry*; D006801:Humans; D005741:Noble Gases / Q000737:chemistry; D010100:Oxygen / Q000737:chemistry*
chemical_list: D005741:Noble Gases; D006371:Helium; C038949:heliox; D010100:Oxygen