title: Development of restrictions in the expression of immunoglobulin specificities by lymphoid cells.
mesh_terms: D000362:Agar; D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000921:Antibody-Producing Cells; D002454:Cell Differentiation; D002478:Cells, Cultured; D004586:Electrophoresis; D000939:Epitopes; D005856:Germ-Free Life; D006168:Guinea Pigs; D006462:Hemolytic Plaque Technique; D006579:Heterozygote; D006720:Homozygote; D007106:Immune Sera; D007114:Immunization; D007117:Immunization, Secondary; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007456:Iodine Isotopes; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology*; D008938:Mitosis; D010950:Plasma Cells / Q000276:immunology; D011817:Rabbits; D012882:Skin Tests; D013950:Thymus Gland / Q000276:immunology
chemical_list: D000939:Epitopes; D007106:Immune Sera; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007456:Iodine Isotopes; D000362:Agar