5835
Compared with control , endothelium - dependent relaxation in the aortas of streptozotocin ( STZ ) - treated diabetic rats was significantly improved by both acute ( 1 mu M , 30 min ) and chronic ( 20mg / kg / daily , i . p . , 7 days ) treatment with boldine .
 Chemical: streptozotocin; Chemical: STZ; Chemical: boldine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: streptozotocin; Chemical: STZ; Chemical: boldine