3509
Isoniazid and ethambutol as a cause of optic neuropathy .
 optic neuropathy, ethambutol; optic neuropathy, Isoniazid
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:
 optic neuropathy, ethambutol; optic neuropathy, Isoniazid