3156
Testosterone replacement almost restored the STL1 and STL2 in castrated rats , and significantly prolonged the STL1 and STL2 in STZ - treated rats .
 Chemical: Testosterone; 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: STZ