RT Journal Article
SR Electronic
T1 Other articles noted
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 159
OP 160
DO 10.1136/ebm.12.5.159
VO 12
IS 5
YR 2007
UL http://ebm.bmj.com/content/12/5/159.abstract
AB