title: Editorial overview.
authors.forename: Frances
authors.initials: F
authors.lastname: Lund
authors.forename: Janet
authors.initials: J
authors.lastname: Stavnezer
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D006801:Humans; D008213:Lymphocyte Activation; D010506:Periodicals as Topic; D013601:T-Lymphocytes / Q000276:immunology*