title: Sensitivity of serologically classified strains of escherichia coli of human origin to the serum bactericidal system.
mesh_terms: D001770:Blood Bactericidal Activity; D004926:Escherichia coli / Q000145:classification / Q000276:immunology* / Q000302:isolation & purification; D006801:Humans; D008722:Methods; D018805:Sepsis / Q000382:microbiology