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We postulate that gastritis caused by dexamethasone , mucositis caused by doxorubicin , and the unique anatomic nature of a Meckel diverticulum may have contributed to this extremely unlikely and previously unreported event .
 adverse effect: gastritis, dexamethasone; adverse effect: mucositis, doxorubicin
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: gastritis, dexamethasone; adverse effect: mucositis, doxorubicin