title: On discovering thymus-marrow synergism.
authors.affiliation: Department of Medicine, University of Colorado School of Medicine , Denver, CO , USA ; Department of Immunology, University of Colorado School of Medicine , Denver, CO , USA.
authors.forename: Henry N
authors.initials: HN
authors.lastname: Claman
keywords: bone marrow; sheep red blood cells; stem cells; thymus; thymus–marrow synergism