National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology: chronic lymphocytic leukemia/small lymphocytic lymphoma. Version 2.2021. Updated Dec 2020; accessed Feb 2021.
National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology: chronic lymphocytic leukemia/small lymphocytic lymphoma. Version 2.2021. Updated Dec 2020; accessed Feb 2021.