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[The effectiveness of piracetam in acute cerebral ischemia in the human. A clinical controlled double-blind study of piracetam/10% dextran 40 versus 10% dextran 40/placebo]
[The effectiveness of piracetam in acute cerebral ischemia in the human. A clinical controlled double-blind study of piracetam/10% dextran 40 versus 10% dextran 40/placebo]