title: The immune system: a model for differentiation in higher organisms.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000921:Antibody-Producing Cells; D005075:Biological Evolution; D005796:Genes; D014644:Genetic Variation; D006801:Humans; D007111:Immunity, Cellular; D007120:Immunochemistry; D007125:Immunogenetics; D007136:Immunoglobulins; D009101:Multiple Myeloma / Q000235:genetics; D009154:Mutation; D009194:Myeloma Proteins; D010455:Peptides; D013045:Species Specificity; D014714:Vertebrates
chemical_list: D007136:Immunoglobulins; D009194:Myeloma Proteins; D010455:Peptides