25387
Furthermore , cytotoxicity was also observed by alterations in erythrocyte / erythroblast frequencies within the concentration range of 22 - 66 mg / L , regardless of the exposure time .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None