2177
Survival was presumed to be due to immediate alleviation of the cholinergic crisis by the conventional pharmacological treatment drugs , in conjunction with bioscavenger that prevented further absorbed agent reaching the AChE targets .
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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:
 None