title: The meningococcidal power of heparinized blood for group B organisms.
mesh_terms: D001769:Blood; D002353:Carrier State / Q000276:immunology*; D006493:Heparin / Q000097:blood*; D007109:Immunity; D009345:Neisseria meningitidis / Q000254:growth & development / Q000276:immunology* / Q000302:isolation & purification; D014612:Vaccines
chemical_list: D014612:Vaccines; D006493:Heparin