326
A chronic reaction associated with long - term treatment with nitrofurantoin has also been reported and causes irreversible pulmonary fibrosis .
 pulmonary fibrosis, nitrofurantoin
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:
 pulmonary fibrosis, nitrofurantoin