title: Immunodeficiency. Report of a WHO scientific group.
mesh_terms: D000799:Angioedema / Q000150:complications; D000818:Animals; D000906:Antibodies; D001327:Autoimmune Diseases / Q000150:complications / Q000517:prevention & control; D001402:B-Lymphocytes / Q000276:immunology; D002457:Cell Extracts / Q000627:therapeutic use; D002965:Classification; D003165:Complement System Proteins / Q000172:deficiency / Q000235:genetics; D006801:Humans; D007111:Immunity, Cellular; D007136:Immunoglobulins; D007153:Immunologic Deficiency Syndromes / Q000175:diagnosis / Q000235:genetics / Q000276:immunology*; D010587:Phagocytosis; D013601:T-Lymphocytes / Q000276:immunology; D014181:Transplantation Immunology; D014944:World Health Organization
chemical_list: D000906:Antibodies; D002457:Cell Extracts; D007136:Immunoglobulins; D003165:Complement System Proteins