RT Journal Article
SR Electronic
T1 Other articles noted
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 191
OP 192
DO 10.1136/ebm.13.6.191
VO 13
IS 6
YR 2008
UL http://ebm.bmj.com/content/13/6/191.abstract
AB