title: Towards evidence based emergency medicine: best BETs from the Manchester Royal Infirmary. BET 1: Heliox in croup.
authors.affiliation: Emergency Department, Leicester Royal Infirmary, Leicester, UK.
authors.forename: Christiane
authors.initials: C
authors.lastname: Vorwerk
authors.forename: Tim
authors.initials: T
authors.lastname: Coats
mesh_terms: D002675:Child, Preschool; D003440:Croup / Q000628:therapy*; D004636:Emergency Service, Hospital; D019317:Evidence-Based Medicine; D005260:Female; D006371:Helium / Q000627:therapeutic use*; D006801:Humans; D010100:Oxygen / Q000627:therapeutic use*; D016896:Treatment Outcome
chemical_list: D006371:Helium; C038949:heliox; D010100:Oxygen