RT Journal Article SR Electronic T1 IM versus oral steroids for post-emergency asthma treatment JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 87 OP 87 DO 10.1136/dtb.2018.8.0652 VO 56 IS 8 YR 2018 UL http://dtb.bmj.com/content/56/8/87.abstract AB