RT Journal Article
SR Electronic
T1 Other articles noted
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 63
OP 64
DO 10.1136/ebm.14.2.63
VO 14
IS 2
YR 2009
UL http://ebm.bmj.com/content/14/2/63.abstract
AB