1749
Allopurinol decreased serum urate from 76 + / - 5 to 30 + / - 3 micromol / L ( P < 0 . 001 ) in saline and from 84 + / - 13 to 28 + / - 2 micromol / L in dex - treated ( P < 0 . 01 ) groups .
 Chemical: Allopurinol; Chemical: urate; Chemical: dex
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Allopurinol, urate, dex 
Answer:
 Chemical: Allopurinol; Chemical: urate; Chemical: dex