538
Temporary neurologic abnormalities were observed in one out of 23 patients undergoing chemotherapy with high - dose methotrexate ( HD - MTX ) for osteogenic sarcoma .
 adverse effect: Temporary neurologic abnormalities, methotrexate
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  Temporary neurologic abnormalities, methotrexate 
Answer:
 adverse effect: Temporary neurologic abnormalities, methotrexate