title: Primary immune deficiencies--improving our understanding of their role in immunological disease.
authors.forename: H M
authors.initials: HM
authors.lastname: Chapel
mesh_terms: D006801:Humans; D007154:Immune System Diseases / Q000145:classification*; D007153:Immunologic Deficiency Syndromes / Q000145:classification; D007962:Leukocytes / Q000276:immunology; D010586:Phagocytes / Q000276:immunology