NCT01117142 2020-07-14A Study of the Kinetics of Lymphoid Cells in Patients With Monoclonal B-cell Lymphocytosis (MBL), Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Lymphoma (SLL), Mantle Cell Lymphoma (MCL) and Healthy VolunteersNational Institutes of Health Clinical Center (CC)Completed20 enrolled