13530
Patients should be informed about the risk of osteonecrosis when taking dexamethasone as an antiemetic drug .
 osteonecrosis, dexamethasone
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:
 osteonecrosis, dexamethasone