19971
The suppression of hematopoiesis function in Balb / c mice induced by prolonged exposure of microcystin - LR .
 Chemical: microcystin - LR
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: microcystin - LR