RT Journal Article
SR Electronic
T1 Purpose and procedure
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 2
OP 2
DO 10.1136/ebm.10.1.2
VO 10
IS 1
YR 2005
UL http://ebm.bmj.com/content/10/1/2.abstract
AB