title: Opsonic activity in germfree and monocontaminated rat sera.
mesh_terms: D000818:Animals; D005856:Germ-Free Life; D009504:Neutrophils; D009895:Opsonin Proteins; D011552:Pseudomonas Infections / Q000276:immunology*; D051381:Rats
chemical_list: D009895:Opsonin Proteins