2449
Metformin prevents experimental gentamicin - induced nephropathy by a mitochondria - dependent pathway .
 Chemical: Metformin; Chemical: gentamicin; Disease: nephropathy
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:
 Chemical: Metformin; Chemical: gentamicin; Disease: nephropathy