13609
Although moderate myelosuppression is not uncommonly seen in patients treated with lenalidomide , aplastic anemia has not previously been reported to be associated with this agent .
 aplastic anemia, lenalidomide
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:
 aplastic anemia, lenalidomide