To identify some non- gene CYP2C19 factors related to clopidogrel responsiveness in patients with cerebral infarction. To assess the effect of alleles CYP2C19*2, CYP2C19*3 on the response of clopidogrel in patients with cerebral infarction. | Summary of Doctoral thesis A study on the effects of allele CYP2C19 2 CYP2C19 3 and some factors related to clopidogrel responsiveness in patients with cerebral