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Teicoplanin - induced agranulocytosis that followed vancomycin - induced agranulocytosis suggests a possible cross - reactivity between the 2 drugs .
 agranulocytosis, Teicoplanin; agranulocytosis, vancomycin
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:
 agranulocytosis, Teicoplanin; agranulocytosis, vancomycin