13204
Renal failure appeared 8 to 17 days after beginning gentamicin therapy and was characterized by creatinine clearances 4 to 10 ml / min , urine to plasma creatinine ratios less than 20 , urinary sodium concentrations 16 to 60 mEq / liter , proteinuria , and cylindruria .
 Renal failure, gentamicin
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:
 Renal failure, gentamicin