[The epidemiologic features of pertussis in the RSFSR during a period of immuno-prevention].
D002648:Child; D002675:Child, Preschool; D006801:Humans; D012426:Russia; D014611:Vaccination; D014917:Whooping Cough / Q000517:prevention & control*
Epidemiologicheskie osobennosti kokliusha v RSFSR v period provedeniia immunoprofilaktiki.