The antiplatelet drugs is a class of pharmaceuticals that decrease platelet aggregation and inhibit thrombus formation. They are effective in the arterial circulation, where anticoagulants have little effect.
They are widely used in primary and secondary prevention of thrombotic cerebrovascular or cardiovascular disease.
... U.S. Office of the Federal Register (http://www.archives.gov/federal_register/electoral_college/scores.html#1804)
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