23270
Mechanisms of Glucose Lowering of Dipeptidyl Peptidase - 4 Inhibitor Sitagliptin When Used Alone or With Metformin in Type 2 Diabetes : A double - tracer study .
 Chemical: Glucose; Chemical: Sitagliptin; Chemical: Metformin
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: Glucose; Chemical: Sitagliptin; Chemical: Metformin