title: Antibody activity in human duodenal fluid.
mesh_terms: D000328:Adult; D000917:Antibody Formation; D001428:Bacterial Vaccines / Q000008:administration & dosage; D003165:Complement System Proteins; D004386:Duodenum / Q000276:immunology* / Q000378:metabolism; D004926:Escherichia coli / Q000276:immunology; D006386:Hemagglutination Tests; D006801:Humans; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000378:metabolism; D007075:Immunoglobulin M / Q000378:metabolism; D007136:Immunoglobulins / Q000378:metabolism; D007223:Infant; D007413:Intestinal Mucosa / Q000276:immunology; D007419:Intestinal Secretions / Q000276:immunology*; D009895:Opsonin Proteins; D010587:Phagocytosis; D014611:Vaccination; D005719:gamma-Globulins / Q000378:metabolism*
chemical_list: D001428:Bacterial Vaccines; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins; D009895:Opsonin Proteins; D005719:gamma-Globulins; D003165:Complement System Proteins