6374
Transient neurological disturbances induced by the chemotherapy of high - dose methotrexate for osteogenic sarcoma .
 Transient neurological disturbances, 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:
 Transient neurological disturbances, methotrexate