RT Journal Article SR Electronic T1 Montelukast moderately decreased asthma symptoms in children with persistent asthma JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 77 OP 77 DO 10.1136/ebm.7.3.77 VO 7 IS 3 YR 2002 UL http://ebm.bmj.com/content/7/3/77.abstract AB