title: Non-sequential expression of multiple immunoglobulin classes by isolated B-cell clones.
mesh_terms: D000918:Antibody Specificity; D001402:B-Lymphocytes / Q000276:immunology*; D002460:Cell Line; D007070:Immunoglobulin A / Q000096:biosynthesis*; D007074:Immunoglobulin G / Q000096:biosynthesis*; D007075:Immunoglobulin M / Q000096:biosynthesis*; D007135:Immunoglobulin Variable Region; D007136:Immunoglobulins / Q000235:genetics*; D009194:Myeloma Proteins / Q000096:biosynthesis*; D010767:Phosphorylcholine / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007135:Immunoglobulin Variable Region; D007136:Immunoglobulins; D009194:Myeloma Proteins; D010767:Phosphorylcholine