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World Health Organization Grade 3 - 4 neutropenia and thrombocytopenia occurred in 39 . 9 % and 11 . 4 % of patients , respectively .
 neutropenia, thrombocytopenia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 neutropenia, thrombocytopenia