6966
We attribute the clinical and radiographic findings to cytotoxic edema secondary to intrathecal methotrexate .
 cytotoxic edema, methotrexate
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:
 cytotoxic edema, methotrexate