21077
Biomarkers of bone resorption : urinary DPYR , serum CTx , serum NTx , urinary Ca , and urinary P , at baseline after 4 weeks of treatment were changed by - 13 . 40 % , 6 . 67 % , - 5 . 13 % , - 22 . 43 % , and - 3 . 04 % , respectively .
 Chemical: DPYR; Chemical: Ca; Chemical: P
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: DPYR; Chemical: Ca; Chemical: P