2903
Twenty - four hours after exposure , cytotoxicity was evaluated by the MTT assay or LDH leakage , while ELISA was used to measure the production of IL - 18 .
 Chemical: MTT
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: MTT