28143
MATERIALS AND METHODS : Growing rats were given BTE by gavage at levels of 0 , 200 , 700 and 2500mg / kg / day as the F0 generation in reproductive toxicity study .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None