2698
Specifically , expression of the 67 - kD isoform of the GABA synthesis enzyme glutamic acid decarboxylase ( GAD67 ) is reduced in parvalbumin - containing fast - spiking GABA interneurons .
 Chemical: GABA; Chemical: glutamic acid; 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; Chemical: glutamic acid; Chemical: GABA