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Depression assessment by Patient Health Questionnaire 9 (PHQ-9). A Categorization of depression according to PHQ-9 responding. B Categorization of depression in different hematological malignancies. Legend: CML, chronic myeloid leukemia; CLL, chronic lymphocytic leukemia; HCL, hairy cell leukemia; MM, multiple myeloma; MPN, myeloproliferative neoplasm
