2695
The patient was diagnosed with carbamazepine toxicity related to the introduction of ritonavir .
 carbamazepine toxicity, carbamazepine; carbamazepine toxicity, ritonavir
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:
 carbamazepine toxicity, carbamazepine; carbamazepine toxicity, ritonavir