13903
We report such a series of patients who had transient asymptomatic bradycardia after being treated with continuous infusion 5-FU .
 transient asymptomatic bradycardia, 5-FU
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:
 transient asymptomatic bradycardia, 5-FU