title: Difficulties in diagnosing meningococcal meningitis.
mesh_terms: D001681:Biological Assay; D004731:Endotoxins / Q000032:analysis; D006801:Humans; D008033:Limulus Test; D008585:Meningitis, Meningococcal / Q000175:diagnosis*
chemical_list: D004731:Endotoxins