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The results demonstrate that the threshold for pilocarpine - induced seizures in rats is subjected to the regulation of the GABA - mediated synaptic inhibition within the substantia nigra .
 Chemical: pilocarpine; Disease: seizures; Chemical: GABA
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: pilocarpine; Disease: seizures; Chemical: GABA