RT Journal Article SR Electronic T1 Is transfer for primary angioplasty better than on-site fibrinolytic therapy for acute myocardial infarction? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 695 OP 695 VO 169 IS 7 A1 Stephen Choi YR 2003 UL http://www.cmaj.ca/content/169/7/695.abstract