3128
The objective of this study was to examine whether low serum 25 - hydroxyvitamin D [ 25 ( OH ) D ] levels were associated with vertebral fractures in patients with type 2 diabetes .
 Chemical: 25 - hydroxyvitamin D; Chemical: 25 ( OH ) D
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: 25 - hydroxyvitamin D; Chemical: 25 ( OH ) D