413
Caution with use of cimetidine in tolazoline induced upper gastrointestinal bleeding .
 upper gastrointestinal bleeding, cimetidine; upper gastrointestinal bleeding, tolazoline
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:
 upper gastrointestinal bleeding, cimetidine; upper gastrointestinal bleeding, tolazoline