title: Antibody deficiency--ubiquitous problem or useless concept?
mesh_terms: D006801:Humans; D007074:Immunoglobulin G / Q000627:therapeutic use; D016756:Immunoglobulins, Intravenous; D007153:Immunologic Deficiency Syndromes / Q000175:diagnosis / Q000628:therapy
chemical_list: D007074:Immunoglobulin G; D016756:Immunoglobulins, Intravenous