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After recovery of blood pressure to control values , the extrusion of Na + from cardiac cells was normalized , as revealed by restoration of the ( Na , K ) - ATPase activity .
 Chemical: Na; Chemical: Na; Chemical: K
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: Na, Na, K 
Answer:
 Chemical: Na; Chemical: Na; Chemical: K