1. , This work was supported by grants to Prof. R. W. Dutton; American Cancer Society E395 and USPHS AI-08795
2. , Abbreviations used in this paper are: TNP - 2,4,6-trinitrophenyl; SRBC, BRBC, CRBC, GRBC, TRBC - sheep, burro, chicken, goat, and toad red blood cell antibody precursor cell or bursa equivalent cell or bone marrow cell; T cell - thymus-derived cell; PFC - plaque forming cells
3. A Requirement for Two Cell Types for Antibody Formation in vitro
4. Radioresistance of the Enhancing Effect of Cells from Carrier-Immunized Mice in an In Vitro Primary Immune Response