title: Limiting dilution analysis of the cells of immune system I. The clonal basis of the immune response.
authors.affiliation: Basel Institute for Immunology, Grenzacherstrasse 487, Postfach, CH-4005, Basel, Basel UK.
authors.forename: I
authors.initials: I
authors.lastname: Lefkovits
authors.affiliation: Department of Pathology, University of Cambridge, New Addenbrooke's Hospital, Cambridge CB2 2QQ, UK.
authors.forename: H
authors.initials: H
authors.lastname: Waldmann