380
Diallylnitrosamine ( DAN ) , one of the few nitrosamines tested thus far that has not induced neoplasms in rats , caused a high incidence of respiratory tract tumors in Syrian golden hamsters treated sc with single or weekly doses of the compound .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None