RT Journal Article SR Electronic T1 Review: formoterol increases serious adverse events in children and adults with chronic asthma JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 78 OP 78 DO 10.1136/ebm.14.3.78 VO 14 IS 3 YR 2009 UL http://ebm.bmj.com/content/14/3/78.abstract AB