13032
Emergence of Philadelphia positive chronic myeloid leukaemia during treatment with hydroxyurea for Philadelphia negative essential thrombocythaemia .
 Philadelphia positive chronic myeloid leukaemia, hydroxyurea
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:
 Philadelphia positive chronic myeloid leukaemia, hydroxyurea