RT Journal Article
SR Electronic
T1 Purpose and procedure
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP e4
OP e4
DO 10.1136/ebmed.17.01.e4
VO 17
IS 4
YR 2012
UL http://ebm.bmj.com/content/17/4/e4.abstract
AB