13498
RESULTS : Two patients with ocular inflammation of unknown origin developed severe chorioretinitis after IVTA injection .
 severe chorioretinitis, IVTA
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:
 severe chorioretinitis, IVTA