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Forest plot showing the interaction between response to alteplase and early infarct size in previous trials
ASPECTS=Alberta Stroke Programme Early CT Signs. ECASS II=European Co-operative Acute Stroke Study-II. IST-3=third International Stroke Trial. NINDS=National Institute of Neurological Disorders and Stroke. PROACT 2=Prolyse in Acute Cerebral Thromboembolism 2.
