5Smith D,R ielJ,TillesI,eta1.Intravenouse pinephrine in lifethreatening asthm a[].JAnn Em erg M ed.2003
6Camargo C A Jr,Gurner D M,Smithline H A,etal.Arandomizedplacebo-con-trolled study ofintravenousm ontelukastforthe treatm entofacute asthm a[].JAllergy ClinImmunol.2010
7KressJP,Noth I,G ehlbach BK,etal.The utility of albuterolnebulized with he-liox during acuteasthm aexacerbations[].Am JR espirC ritC areM ed.2002
8Vitacca M,Nava S,Confalonieri M,et al.The appropriate setting of noninvasive pressure support ventilation in stable COPD patients[].Chest.2000
9.National Asthma Education and Prevention Program Expert PanelReport 3(EPR-3):Guidelines for the Diagnosis and Managementof Asthma-Summary Report 2007[].Allergy and Clinical Immunology International.2007
10Gelb AF,Karpel J,Wise RA,Cassino C,Johnson P,Conoscenti CS.Bronchodilator efficacy of the fixed combination of ipratropium and albuterol compared to albuterol alone in moderate-to-severe persistent asthma[].Pulmonary Pharmacology and Therapeutics.2008