For citations:
Timofeeva T.V., Googe E.G., Fatina N.M. Post-Vaccination Immunity to Pertussis in Children of Lipetsk, New Management Capabilitiesto Infection. Epidemiology and Vaccinal Prevention. 2019;18(3):60-64. (In Russ.) https://doi.org/10.31631/2073-3046-2019-18-3-60-64