13620
Although both patients recovered from the colitis after the administration of vancomycin , the first case demonstrated a relapse of the colitis after receiving a subsequent course of the same chemotherapy with cisplatin .
 colitis, cisplatin
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:
 colitis, cisplatin