1996
The likely frequency of serious hepatotoxicity with sulfasalazine was estimated at 0 . 4 % of treated patients .
 Disease: hepatotoxicity; Chemical: sulfasalazine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hepatotoxicity; Chemical: sulfasalazine