RT Journal Article
SR Electronic
T1 Reference-based refinements
JF Canadian Medical Association Journal
JO CMAJ
FD Canadian Medical Association
SP 1115
OP 1115
VO 168
IS 9
A1 Schneeweiss, Sebastian
A1 Dormuth, Colin
YR 2003
UL http://www.cmaj.ca/content/168/9/1115.1.abstract