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We report four cases of sensorimotor axonal neuropathy in children aged 10 - 15 years , treated with thalidomide for myxopapillary ependymoma , Crohn 's disease and recurrent giant aphthous ulceration .
 sensorimotor axonal neuropathy, thalidomide
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:
 sensorimotor axonal neuropathy, thalidomide