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After recovery from hypertension , the activity of ( Na , K ) - ATPase increased , due to higher affinity of the ATP - binding site , as revealed from the lowered Km value for ATP .
 hypertension, Na, K, ATP, ATP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 hypertension, Na, K, ATP, ATP