5680
The azathioprine dose was low ( 1 mg / kg ) and pancytopenia occurred after 56 days therapy .
 adverse effect: pancytopenia, azathioprine
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:  pancytopenia, azathioprine 
Answer:
 adverse effect: pancytopenia, azathioprine