RT Journal Article SR Electronic T1 The value of vitamin E as a treatment for Alzheimer's disease remains unproven despite functional improvement, due to a lack of established effect on cognition or other outcomes from RCTs JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 140 OP 140 DO 10.1136/eb-2014-101741 VO 19 IS 4 A1 Corbett, Anne A1 Ballard, Clive YR 2014 UL http://ebm.bmj.com/content/19/4/140.abstract AB