3871
A ) During O2 - ischemia both extracellular [ K + ] and change of pH in the subepicardium are significantly less than in the midmyocardium .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None