1094
The incidence rates of events were determined in all patients ( n = 7934 ) and in users of low - dose ( < or = 325 mg daily ) aspirin ( n = 1051 ) and nonusers of aspirin ( n = 6883 ) .
 Chemical: aspirin; Chemical: aspirin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: aspirin; Chemical: aspirin