we have compared the intraleukocytic survival of isogenic strains of salmonella typhimurium , whose outer membrane lipopolysaccharide differed in o antigen and lipid a composition and whose susceptibility to nonoxidative antimicrobial granule proteins of human polymorphonuclear neutrophilis ( pmn ) could be established .
C0023810
lipopolysaccharide
C0069180
o antigen