2738
Here , we report the development and validation of two different assays for quantitative assessment of mouse urinary KIM - 1 ( uKIM - 1 ) and compare the sensitivity of KIM - 1 relative to other standard markers in ischemia reperfusion and aristolochic acid ( AA ) - induced kidney injury in mice .
 aristolochic acid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 aristolochic acid