18405
We studied the efficacy of two GABA - enhancing drugs , clonazepam and tiagabine , alone and in combination , against thermally evoked myoclonic and generalized tonic - clonic seizures .
 Chemical: GABA; Chemical: clonazepam; Chemical: tiagabine
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: clonazepam; Chemical: tiagabine