406
RESULTS : Three patients who developed symptoms of inflammatory bowel disease ( IBD ) during rofecoxib exposure are described along with pathology findings .
 IBD, rofecoxib; inflammatory bowel disease, rofecoxib
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:
 IBD, rofecoxib; inflammatory bowel disease, rofecoxib