title: Prevalence of meningococcal serogroups and description of three new groups.
mesh_terms: D000372:Agglutination Tests; D004352:Drug Resistance, Microbial; D006801:Humans; D007106:Immune Sera / Q000032:analysis; D008589:Meningococcal Infections / Q000276:immunology* / Q000517:prevention & control; D009345:Neisseria meningitidis / Q000145:classification / Q000302:isolation & purification; D012703:Serotyping; D013411:Sulfadiazine; D013449:Sulfonamides
chemical_list: D007106:Immune Sera; D013449:Sulfonamides; D013411:Sulfadiazine