title: The precursor of chronic lymphocytic leukemia.
authors.forename: Christopher S
authors.initials: CS
authors.lastname: Mulligan
authors.forename: O Giles
authors.initials: OG
authors.lastname: Best
authors.forename: Stephen P
authors.initials: SP
authors.lastname: Mulligan
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D002999:Clone Cells; D003937:Diagnosis, Differential; D006801:Humans; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000175:diagnosis*; D018655:Lymphocyte Count; D008218:Lymphocytosis / Q000175:diagnosis*