RT Journal Article SR Electronic T1 CBT added to tapering helped patients with chronic insomnia discontinue benzodiazepine use JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 147 OP 147 DO 10.1136/ebm.9.5.147 VO 9 IS 5 YR 2004 UL http://ebm.bmj.com/content/9/5/147.abstract AB