13696
Burn - induced decrease in albumin mRNA and increase in alanine transaminase ( p < 0 . 01 versus sham ) were not normalized by metformin treatment .
 alanine, metformin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 alanine, metformin