2350
A Kruskal - Wallis 1 - way analysis of variance indicated a significant difference among the 4 treatment groups ( H = 15 . 34 ; P < 0 . 001 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None