11933
Methotrexate - associated nephropathy is a rare complication in pediatric oncology , and a review of the literature suggests that exposure to nephrotoxic agents may be a significant but perhaps underrecognized risk factor for its development .
 nephropathy, 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:
 nephropathy, Methotrexate