title: Protective activities of the commercially available human immunoglobulin as well as a fresh human serum against various opportunistic infections.
mesh_terms: D001424:Bacterial Infections / Q000517:prevention & control*; D006801:Humans; D007116:Immunization, Passive; D009895:Opsonin Proteins / Q000276:immunology
chemical_list: D009895:Opsonin Proteins