RT Journal Article
SR Electronic
T1 Purpose and procedure
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP e3
OP e3
DO 10.1136/ebm.16.6.e3
VO 16
IS 6
YR 2011
UL http://ebm.bmj.com/content/16/6/e3.abstract
AB