3440
We present two cases of anaphylaxis under anaesthesia where return of spontaneous circulation was refractory to epinephrine , but occurred following the administration of the alpha - agonist metaraminol .
 adverse effect: anaphylaxis, metaraminol
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  anaphylaxis, metaraminol 
Answer:
 adverse effect: anaphylaxis, metaraminol