title: The Sa system: a novel antigen-antibody system specific for rheumatoid arthritis.
authors.forename: P
authors.initials: P
authors.lastname: Dagenais
mesh_terms: D000937:Antigen-Antibody Reactions; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001324:Autoantigens; D000939:Epitopes; D006801:Humans
chemical_list: D001324:Autoantigens; D000939:Epitopes