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Methemoglobinemia is another common finding among patients receiving dapsone therapy , but rarely does it result in prominent symptoms other than transient pallor .
 Methemoglobinemia, dapsone
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:
 Methemoglobinemia, dapsone