title: Heliox questions.
authors.forename: Federico
authors.initials: F
authors.lastname: Martinón-Torres
authors.forename: Antonio
authors.initials: A
authors.lastname: Rodriguez-Nuñez
authors.forename: Jose Maria
authors.initials: JM
authors.lastname: Martinón-Sánchez
mesh_terms: D004837:Epinephrine / Q000494:pharmacology; D006371:Helium / Q000494:pharmacology*; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology; D005741:Noble Gases / Q000494:pharmacology; D010100:Oxygen / Q000494:pharmacology*; D011659:Pulmonary Gas Exchange / Q000502:physiology; D012121:Respiration, Artificial / Q000379:methods
chemical_list: D005741:Noble Gases; D006371:Helium; C038949:heliox; D010100:Oxygen; D004837:Epinephrine