Genetic polymorphism of human  -globulins.
D000483:Alleles; D000918:Antibody Specificity; D000937:Antigen-Antibody Reactions; D001172:Arthritis, Rheumatoid / Q000235:genetics / Q000266:history; D005006:Ethnicity; D005823:Genetics / Q000266:history; D005828:Genetics, Population; D005838:Genotype; D006385:Hemagglutination Inhibition Tests; D049673:History, 20th Century; D006801:Humans; D007106:Immune Sera; D007136:Immunoglobulins / Q000145:classification; D007201:Indicator Dilution Techniques; D007202:Indicators and Reagents; D008970:Molecular Weight; D010641:Phenotype; D010950:Plasma Cells / Q000276:immunology; D011110:Polymorphism, Genetic; D012217:Rheumatoid Factor / Q000032:analysis; D012995:Solubility; D005719:gamma-Globulins / Q000032:analysis*
D007106:Immune Sera; D007136:Immunoglobulins; D007202:Indicators and Reagents; D005719:gamma-Globulins; D012217:Rheumatoid Factor