3361
DESIGN : We reviewed the medical records of four patients , who were seen by us between July 2000 and February 2004 for sudden onset of a central neurological syndrome within days of intrathecal MTX .
 central neurological syndrome, MTX
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:
 central neurological syndrome, MTX