6474
We report two young patients with cystic fibrosis who presented with acute renal insufficiency after 2 - 3 weeks of oral ciprofloxacin therapy .
 acute renal insufficiency, ciprofloxacin
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:
 acute renal insufficiency, ciprofloxacin