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Because burst firing is linked to symptoms of Parkinson ' s disease , we suggest that K - ATP channels might provide a physiologically important inhibitory influence on STN neuronal activity .
 Chemical: K; Chemical: ATP
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: K; Chemical: ATP