title: Chronic lymphocytic leukaemia and normal B lymphopoiesis.
authors.affiliation: University of Southampton Lymphoma Research Unit, Tenovus Research Laboratory, Southampton General Hospital, Southampton S09 4XY, UK.
authors.forename: F K
authors.initials: FK
authors.lastname: Stevenson
authors.forename: J L
authors.initials: JL
authors.lastname: Smith