26587
CLA treatment increased serum parathyroid hormone ( PTH ) significantly ( p = 0 . 0172 ) , while serum 1 , 25 - dihydroxyvitamin D3 concentration was not changed by CLA .
 Chemical: 1 , 25 - dihydroxyvitamin D3
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: 1 , 25 - dihydroxyvitamin D3