4446
5 , 7 - dichlorokynurenic acid ( 5 , 7 - DCKA ) , a selective glycine site antagonist , injected in doses of 2 . 5 and 4 . 5 microg / 0 . 5 microl bilaterally , into the rostral region of the striatum , decreased both the haloperidol - induced muscle rigidity ( MMG ) and the enhanced electromyographic activity ( EMG ) .
 Chemical: 5 , 7 - dichlorokynurenic acid; Chemical: 5 , 7 - DCKA; Chemical: glycine; Chemical: haloperidol; Disease: muscle rigidity
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 5 , 7 - dichlorokynurenic acid; Chemical: 5 , 7 - DCKA; Chemical: glycine; Chemical: haloperidol; Disease: muscle rigidity