title: Maturation of B lymphocytes. I. Concurrent appearance of increasing Ig, Ia, and mitogen responsiveness.
mesh_terms: D000818:Animals; D000954:Antigens, Surface; D001345:Autoradiography; D001402:B-Lymphocytes / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D007075:Immunoglobulin M; D008027:Light; D008213:Lymphocyte Activation; D051379:Mice; D008808:Mice, Inbred CBA; D008934:Mitogens / Q000494:pharmacology*; D011947:Receptors, Antigen, B-Cell; D012542:Scattering, Radiation; D013997:Time Factors
chemical_list: D000954:Antigens, Surface; D007075:Immunoglobulin M; D008934:Mitogens; D011947:Receptors, Antigen, B-Cell