RT Journal Article SR Electronic T1 Websites offering information about depression or cognitive behaviour therapy reduced depressive symptoms JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 116 OP 116 DO 10.1136/ebm.9.4.116 VO 9 IS 4 YR 2004 UL http://ebm.bmj.com/content/9/4/116.abstract AB