title: Immunodeficiency: report of a WHO scientific group.
mesh_terms: D000361:Agammaglobulinemia / Q000276:immunology; D001424:Bacterial Infections / Q000150:complications; D003165:Complement System Proteins / Q000172:deficiency; D004406:Dysgammaglobulinemia / Q000276:immunology; D006373:Helminthiasis / Q000150:complications; D006801:Humans; D007111:Immunity, Cellular; D007153:Immunologic Deficiency Syndromes / Q000150:complications / Q000235:genetics / Q000276:immunology*; D009748:Nutrition Disorders / Q000150:complications; D010586:Phagocytes / Q000276:immunology; D011528:Protozoan Infections / Q000150:complications; D013601:T-Lymphocytes / Q000276:immunology; D014777:Virus Diseases / Q000150:complications
chemical_list: D003165:Complement System Proteins