RT Journal Article
SR Electronic
T1 Purpose and procedure
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 65
OP 65
DO 10.1136/ebm.12.3.65
VO 12
IS 3
YR 2007
UL http://ebm.bmj.com/content/12/3/65.abstract
AB