2766
The small EMG values obtained in the high - dose D - MED group were comparable with those recorded in earlier studies from control animals not given any opiate .
 Chemical: D - MED
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: D - MED