7391
CASE PRESENTATION : We report a patient with CF who developed recurrent eosinophilia and severe persistent bronchospasm following repeated administration of preservative - free tobramycin by inhalation , beginning at 16 months of age .
 recurrent eosinophilia, tobramycin; severe persistent bronchospasm, tobramycin
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:
 recurrent eosinophilia, tobramycin; severe persistent bronchospasm, tobramycin