12752
Prolonged prostate - specific antigen response in flutamide withdrawal syndrome despite disease progression .
 flutamide withdrawal syndrome, flutamide; Prolonged prostate - specific antigen response, flutamide
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:
 flutamide withdrawal syndrome, flutamide; Prolonged prostate - specific antigen response, flutamide