1390
In the diabetic group , the levels of serum urea and creatinine , skin lipid peroxidation and nonenzymatic glycosylation levels increased , but skin glutathione levels decreased .
 Chemical: urea; Chemical: creatinine; Chemical: glutathione
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: urea; Chemical: creatinine; Chemical: glutathione