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We describe the development of ischemic colitis in a woman who was treated with tegaserod and review the relationship among ischemic colitis , tegaserod use , and irritable bowel syndrome .
 adverse effect: irritable bowel syndrome, tegaserod; adverse effect: irritable bowel syndrome, tegaserod; adverse effect: ischemic colitis, tegaserod; adverse effect: ischemic colitis, tegaserod; adverse effect: ischemic colitis, tegaserod; adverse effect: ischemic colitis, tegaserod
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: irritable bowel syndrome, tegaserod; adverse effect: irritable bowel syndrome, tegaserod; adverse effect: ischemic colitis, tegaserod; adverse effect: ischemic colitis, tegaserod; adverse effect: ischemic colitis, tegaserod; adverse effect: ischemic colitis, tegaserod