PT - JOURNAL ARTICLE ED - , TI - Review: aspirin reduces the risk for stroke in patients with previous transient ischaemic attack or stroke but does not have a dose-response effect AID - 10.1136/ebm.5.1.9 DP - 2000 Jan 01 TA - Evidence Based Medicine PG - 9--9 VI - 5 IP - 1 4099 - http://ebm.bmj.com/content/5/1/9.short 4100 - http://ebm.bmj.com/content/5/1/9.full SO - Evid Based Med2000 Jan 01; 5