14350
Physicians should be aware of the risk of severe AIHA in CLL patients with a history of AIHA or positivation of the DAT during previous fludarabine administration , or in case of secondary fixation of complement to the red cell membrane occurring during fludarabine treatment .
 AIHA, fludarabine; AIHA, fludarabine; AIHA, fludarabine; AIHA, fludarabine; positivation of the DAT, fludarabine; positivation of the DAT, fludarabine
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:
 AIHA, fludarabine; AIHA, fludarabine; AIHA, fludarabine; AIHA, fludarabine; positivation of the DAT, fludarabine; positivation of the DAT, fludarabine