18913
Details about study design and results from each study , as well as the criteria for DNT testing according to the standardized OECD test guideline ( TG ) 426 , were collected in a database .
 None
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