8512
The azathioprine dose was low ( 1 mg / kg ) and pancytopenia occurred after 56 days therapy .
 pancytopenia, azathioprine
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:
 pancytopenia, azathioprine