title: Opsonic antibodies of healthy human sera against some opportunistic pathogens.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D001770:Blood Bactericidal Activity; D004926:Escherichia coli / Q000276:immunology; D006801:Humans; D007711:Klebsiella pneumoniae / Q000276:immunology; D009895:Opsonin Proteins / Q000032:analysis*; D011550:Pseudomonas aeruginosa / Q000276:immunology
chemical_list: D000907:Antibodies, Bacterial; D009895:Opsonin Proteins