14080
Its role for this indication requires further study , but it may be considered as adjunctive therapy when clinicians are concerned about respiratory suppression associated with escalating doses of gamma - aminobutyric acid agonists .
 Chemical: gamma - aminobutyric acid
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: gamma - aminobutyric acid