PT - JOURNAL ARTICLE AU - A ALGRA AU - J VAN GIJN TI - Cumulative meta-analysis of aspirin efficacy after cerebral ischaemia of arterial origin AID - 10.1136/jnnp.66.2.255 DP - 1999 Feb 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 255--255 VI - 66 IP - 2 4099 - http://jnnp.bmj.com/content/66/2/255.1.short 4100 - http://jnnp.bmj.com/content/66/2/255.1.full SO - J Neurol Neurosurg Psychiatry1999 Feb 01; 66