8951
At drug concentrations relevant for clinical toxicology , co - exposure to >= 2 drugs can decrease the GABA - evoked current in an additive manner .
 Chemical: GABA
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: GABA