RT Journal Article
SR Electronic
T1 Other articles noted
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 127
OP 128
DO 10.1136/ebm.12.4.127
VO 12
IS 4
YR 2007
UL http://ebm.bmj.com/content/12/4/127.abstract
AB