title: Nature and significance of immunoglobulin subclasses.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000906:Antibodies / Q000145:classification; D015478:Antigens, Heterophile; D000939:Epitopes; D006801:Humans; D007128:Immunoglobulin Fragments; D007136:Immunoglobulins / Q000145:classification*; D009369:Neoplasms / Q000276:immunology; D011485:Protein Binding; D013045:Species Specificity; D013329:Structure-Activity Relationship
chemical_list: D000906:Antibodies; D015478:Antigens, Heterophile; D000939:Epitopes; D007128:Immunoglobulin Fragments; D007136:Immunoglobulins