title: Specificity of opsonic and bactericidal response of gnotobiotic rat sera.
mesh_terms: D000818:Animals; D002432:Cecum; D004926:Escherichia coli / Q000276:immunology*; D005243:Feces; D005856:Germ-Free Life; D007962:Leukocytes; D009895:Opsonin Proteins / Q000096:biosynthesis*; D010587:Phagocytosis; D010759:Phosphorus Isotopes; D051381:Rats
chemical_list: D009895:Opsonin Proteins; D010759:Phosphorus Isotopes