14525
We report 2 patients who developed polyarteritis nodosa following vaccination against hepatitis B .
 polyarteritis nodosa, vaccination against hepatitis B
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:
 polyarteritis nodosa, vaccination against hepatitis B