to assess whether aspirin reduces the risk of a first myocardial infarction ( mi ) in young women , we evaluated data from a case-control study among women less than 50 years of age without a prior mi : 48 of 551 cases of mi and 67 of 896 hospital controls had taken aspirin regularly for at least 12 weeks immediately before admission .
C0027051
mi
C0004057
aspirin