title: Diagnosis of defects of antibody production.
mesh_terms: D000361:Agammaglobulinemia / Q000175:diagnosis*; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D000917:Antibody Formation; D001402:B-Lymphocytes; D001424:Bacterial Infections / Q000150:complications; D004166:Diphtheria Antitoxin / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology; D005260:Female; D006801:Humans; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007153:Immunologic Deficiency Syndromes / Q000150:complications / Q000175:diagnosis*; D007223:Infant; D007958:Leukocyte Count; D008198:Lymph Nodes / Q000473:pathology; D010808:Physical Examination; D011247:Pregnancy; D013601:T-Lymphocytes
chemical_list: D000907:Antibodies, Bacterial; D004166:Diphtheria Antitoxin; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M