RT Journal Article
SR Electronic
T1 PURPOSE AND PROCEDURE
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 162
OP 162
DO 10.1136/ebm.6.6.162
VO 6
IS 6
YR 2001
UL http://ebm.bmj.com/content/6/6/162.abstract
AB