six hundred and four patients with atherothrombotic cerebral ischemic events ( transient : 16 % or completed : 84 % ) referable either to the carotid or to the vertebral-basilar circulation were entered into a double blind randomized clinical trial ( aicla ) to determine whether aspirin ( a ) ( 1 g/day ) or aspirin ( 1 g ) + dipyridamole ( 225 mg ) ( ad ) would produce a significant reduction in the subsequent ( 3 years ) occurrence of fatal and non fatal cerebral infarction .
C0004057
aspirin
C0007785
cerebral infarction