title: APCs size up antigens.
authors.forename: Keith S
authors.initials: KS
authors.lastname: Bahjat
authors.forename: Stephen P
authors.initials: SP
authors.lastname: Schoenberger
mesh_terms: D000818:Animals; D000938:Antigen-Presenting Cells / Q000502:physiology*; D000941:Antigens / Q000378:metabolism*; D006801:Humans; D010047:Ovalbumin / Q000276:immunology; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology
chemical_list: D000941:Antigens; D010047:Ovalbumin