title: Classification of primary immunodeficiencies.
mesh_terms: D000361:Agammaglobulinemia / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology; D001796:Blood Protein Disorders / Q000276:immunology; D006801:Humans; D006942:Hypergammaglobulinemia / Q000276:immunology; D007111:Immunity, Cellular; D007070:Immunoglobulin A; D007073:Immunoglobulin E; D007075:Immunoglobulin M; D007153:Immunologic Deficiency Syndromes / Q000145:classification* / Q000235:genetics / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007075:Immunoglobulin M; D007073:Immunoglobulin E