title: Are B lymphocytes the principal antigen-presenting cells in vivo?
authors.affiliation: Biological Response Modifiers Program, National Cancer Institute, Bethesda, MD 20892.
authors.forename: J D
authors.initials: JD
authors.lastname: Ashwell
mesh_terms: D000818:Animals; D000938:Antigen-Presenting Cells / Q000276:immunology*; D001402:B-Lymphocytes / Q000276:immunology*; D008213:Lymphocyte Activation; D013601:T-Lymphocytes / Q000276:immunology*