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The second had acute cystitis and was treated by sulphonamide and the third developed myopia coincident with metronidazole treatment for trichomonas vaginalis .
 myopia, metronidazole; myopia, sulphonamide
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:
 myopia, metronidazole; myopia, sulphonamide