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The aim of this paper is to report the case of rosaceiform eruption induced by erlotinib in an 81-year - old - man and to discuss the pathogenetic role of Demodex folliculorum mites , found in the present patient , using skin scraping .
 adverse effect: rosaceiform eruption, erlotinib
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  rosaceiform eruption, erlotinib 
Answer:
 adverse effect: rosaceiform eruption, erlotinib