RT Journal Article
SR Electronic
T1 PURPOSE AND PROCEDURE
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 98
OP 98
DO 10.1136/ebm.8.4.98
VO 8
IS 4
YR 2003
UL http://ebm.bmj.com/content/8/4/98.abstract
AB