2350
A Kruskal - Wallis 1 - way analysis of variance indicated a significant difference among the 4 treatment groups ( H = 15 . 34 ; P < 0 . 001 ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities:  
Answer:
 None