3835
Supplementation of the diet with niacin or PMF ( ort ) resulted in no significant differences in the serum levels of creatinine or urea in any of the groups .
 Chemical: niacin; Chemical: PMF; Chemical: creatinine; Chemical: urea
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: niacin; Chemical: PMF; Chemical: creatinine; Chemical: urea