title: A radioimmunoassay specific for the antigenic determinants exposed by pepsin digestion of human immunoglobulin G.
mesh_terms: D000818:Animals; D000906:Antibodies; D001172:Arthritis, Rheumatoid / Q000276:immunology; D000939:Epitopes; D006041:Goats / Q000276:immunology; D006801:Humans; D007106:Immune Sera; D007140:Immunoglobulin Fab Fragments; D007074:Immunoglobulin G; D008180:Lupus Erythematosus, Systemic / Q000276:immunology; D010434:Pepsin A; D011863:Radioimmunoassay / Q000379:methods*
chemical_list: D000906:Antibodies; D000939:Epitopes; D007106:Immune Sera; D007140:Immunoglobulin Fab Fragments; D007074:Immunoglobulin G; D010434:Pepsin A