439
Given the onset of his jaundice 2 wk after the initiation of metformin , we believe that this case represents an example of metformin - associated hepatotoxicity , the first such case reported .
 Disease: jaundice; Chemical: metformin; Chemical: metformin; Disease: hepatotoxicity
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: jaundice; Chemical: metformin; Chemical: metformin; Disease: hepatotoxicity