title: Helium-oxygen mixtures and acute severe asthma.
authors.forename: L
authors.initials: L
authors.lastname: Cruz
authors.forename: A R
authors.initials: AR
authors.lastname: Ferreira
authors.forename: A
authors.initials: A
authors.lastname: Coimbra
authors.forename: M G
authors.initials: MG
authors.lastname: Castel-Branco
mesh_terms: D000280:Administration, Inhalation; D000328:Adult; D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D006371:Helium / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D010100:Oxygen / Q000627:therapeutic use*
chemical_list: D018927:Anti-Asthmatic Agents; D006371:Helium; C038949:heliox; D010100:Oxygen