[Epidemiologic importance of various forms of meningococcal infection].
D002353:Carrier State; D002675:Child, Preschool; D006801:Humans; D008585:Meningitis, Meningococcal / Q000209:etiology; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000209:etiology
Epidemiologicheskoe znachenie raznykh form meningokokkovoĭ infektsii.