1981
As part of the ACuteTox project aimed at the development of non - animal testing strategies for predicting human acute oral toxicity , aggregating brain cell cultures ( AGGR ) were examined for their capability to detect organ - specific toxicity .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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