5967
The fluorine contained in niflumic acid induced a marked densification of trabecular bone in all 3 cases .
 densification of trabecular bone, niflumic acid
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:
 densification of trabecular bone, niflumic acid