4493
Thus , an immunological mechanism might be involved in the mechanism of pirmenol - induced QT prolongation and T wave inversion on the electrocardiogram .
 QT prolongation, pirmenol; T wave inversion, pirmenol
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 QT prolongation, pirmenol; T wave inversion, pirmenol