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A 62-year - old Indian with diabetic nephropathy controlled with metformin , developed miliary tuberculosis for which he was treated with rifampicin , isoniazid and ethambutol .
 miliary tuberculosis, metformin
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:
 miliary tuberculosis, metformin