title: The puzzle of passive immunity.
authors.forename: J M
authors.initials: JM
authors.lastname: Greally
mesh_terms: D000888:Antibodies, Anti-Idiotypic / Q000276:immunology; D001666:Binding Sites, Antibody; D006801:Humans; D007116:Immunization, Passive; D007130:Immunoglobulin Idiotypes / Q000276:immunology
chemical_list: D000888:Antibodies, Anti-Idiotypic; D007130:Immunoglobulin Idiotypes