title: Immunogenetics and rheumatoid arthritis.
authors.forename: E
authors.initials: E
authors.lastname: Sim
mesh_terms: D001172:Arthritis, Rheumatoid / Q000235:genetics / Q000276:immunology*; D003181:Complement C4 / Q000235:genetics; D006650:Histocompatibility Testing / Q000379:methods; D006801:Humans; D007125:Immunogenetics
chemical_list: D003181:Complement C4