RT Journal Article SR Electronic T1 Review: inhaled corticosteroids reduce hospital admission and increase discharge rate during the first 4 hours in the emergency department for acute asthma JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 75 OP 75 DO 10.1136/ebm.12.3.75 VO 12 IS 3 YR 2007 UL http://ebm.bmj.com/content/12/3/75.abstract AB