RT Journal Article SR Electronic T1 Once daily oral controller therapy with low dose theophylline or montelukast was not effective in poorly controlled asthma JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 115 OP 115 DO 10.1136/ebm.12.4.115 VO 12 IS 4 YR 2007 UL http://ebm.bmj.com/content/12/4/115.abstract AB