RT Journal Article SR Electronic A1 Kuznar, Wayne T1 Aspirin Not Effective for Primary Prevention of Stroke in Older Japanese JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 2 SP 12 OP 13 DO 10.1177/1559897715577950 UL http://mdc.sagepub.com/content/15/2/12.1.abstract AB Daily aspirin was ineffective for primary prevention of stroke in Japanese patients aged > 60 years with vascular risk factors, consistent with earlier findings that aspirin had no significant effect on composite cardiovascular outcomes, according to findings from the Japanese Primary Prevention Project.