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We describe children and adolescents with chronic hematologic and oncologic diseases who exhibited drug - seeking behavior or anticholinergic symptoms with the use of diphenhydramine .
 anticholinergic symptoms, diphenhydramine; drug - seeking behavior, diphenhydramine
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:
 anticholinergic symptoms, diphenhydramine; drug - seeking behavior, diphenhydramine