RT Journal Article SR Electronic T1 Clopidogrel plus aspirin or aspirin alone in unstable angina JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 140 OP 142 DO 10.1136/emj.2005.033464 VO 23 IS 2 A1 Shweta Gidwani A1 Richard Body YR 2006 UL http://emj.bmj.com/content/23/2/140.abstract AB