International symposium on the emerging epidemic of meningococcal disease in N.W. Europe. Amsterdam, The Netherlands, 6 and 7 May 1985. Abstracts.
D001428:Bacterial Vaccines; D004196:Disease Outbreaks; D005060:Europe; D006801:Humans; D008589:Meningococcal Infections / Q000453:epidemiology*; D009345:Neisseria meningitidis / Q000145:classification*
D001428:Bacterial Vaccines