4915
We report the case of a patient with chronic lymphocytic leukemia ( CLL ) who developed fatal intravascular autoimmune hemolytic anemia ( AIHA ) after fludarabine treatment .
 adverse effect: AIHA, fludarabine; adverse effect: fatal intravascular autoimmune hemolytic anemia, fludarabine
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:  AIHA, fludarabine; fatal intravascular autoimmune hemolytic anemia, fludarabine 
Answer:
 adverse effect: AIHA, fludarabine; adverse effect: fatal intravascular autoimmune hemolytic anemia, fludarabine