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The use of aspirin for primary prevention increases the risk for major bleeding events , primarily gastrointestinal bleeding events , in both men and women .
 Chemical: aspirin; Disease: bleeding; Disease: gastrointestinal bleeding
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; Disease: bleeding; Disease: gastrointestinal bleeding