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We describe a patient with acute leukemia who developed Horner 's syndrome and a severe demyelinating peripheral neuropathy leading to death after receiving high - dose cytosine arabinoside .
 death, cytosine arabinoside; Horner 's syndrome, cytosine arabinoside; severe demyelinating peripheral neuropathy, cytosine arabinoside
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:
 death, cytosine arabinoside; Horner 's syndrome, cytosine arabinoside; severe demyelinating peripheral neuropathy, cytosine arabinoside