18302
Plasma vitamin D ( 3 ) was measured by LC / MS before and 12 hrs after the first dose ; plasma 25OHD was measured by radioimmunoassay at baseline and after 30 and 90 days .
 Chemical: vitamin D ( 3 ); Chemical: 25OHD
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: vitamin D ( 3 ), 25OHD 
Answer:
 Chemical: vitamin D ( 3 ); Chemical: 25OHD