title: The extent of under-reporting of meningococcal disease in Wisconsin: 1980-1982.
mesh_terms: D003140:Communicable Disease Control / Q000379:methods*; D006801:Humans; D007753:Laboratories; D008589:Meningococcal Infections / Q000453:epidemiology*; D009345:Neisseria meningitidis / Q000302:isolation & purification; D014922:Wisconsin