3157
Administration of flutamide , letrozole or tamoxifen significantly impaired the memory in intact rats , and significantly attenuated the testosterone replacement in improving STZ - and castration - induced memory impairment .
 Chemical: flutamide; Chemical: letrozole; Chemical: tamoxifen; Disease: impaired the memory; Chemical: testosterone; Chemical: STZ; Disease: memory impairment
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: flutamide; Chemical: letrozole; Chemical: tamoxifen; Disease: impaired the memory; Chemical: testosterone; Chemical: STZ; Disease: memory impairment