RT Journal Article
SR Electronic
T1 Author Index
JF Evidence Based Medicine
JO Evid Based Med
FD BMJ Publishing Group Ltd
SP 193
OP 196
DO 10.1136/ebm.1997.2.193
VO 2
IS 6
YR 1997
UL http://ebm.bmj.com/content/2/6/193.abstract
AB