3652
An autoradiographic study was performed on male F - 344 rats fed diet containing FANFT at a level of 0 . 2 % and / or aspirin at a level of 0 . 5 % to evaluate the effect of aspirin on the increased cell proliferation induced by FANFT in the forestomach and bladder .
 FANFT, aspirin, aspirin, FANFT
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 FANFT, aspirin, aspirin, FANFT