3154
Testosterone ( 1 mg . kg ( - 1 ) . d ( - 1 ) , sc ) , the androgen receptor antagonist flutamide ( 10 mg . kg ( - 1 ) . d ( - 1 ) , ip ) , the estrogen receptor antagonist tamoxifen ( 1 mg . kg ( - 1 ) . d ( - 1 ) , ip ) or the aromatase inhibitor letrozole ( 4 mg . kg ( - 1 ) . d ( - 1 ) , ip ) were administered for 6 d after the first injection of STZ .
 Chemical: Testosterone; Chemical: androgen; Chemical: flutamide; Chemical: estrogen; Chemical: tamoxifen; Chemical: letrozole; Chemical: STZ
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: Testosterone; Chemical: androgen; Chemical: flutamide; Chemical: estrogen; Chemical: tamoxifen; Chemical: letrozole; Chemical: STZ