title: [Epidemiological significance of lipopolysaccharide serotyping in Neisseria meningitidis group A].
mesh_terms: D002681:China; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008070:Lipopolysaccharides / Q000032:analysis* / Q000276:immunology; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000382:microbiology; D009345:Neisseria meningitidis / Q000145:classification*; D012703:Serotyping
chemical_list: D008070:Lipopolysaccharides