For citations:
Kolesnik D.S., Goncharov A.E., Kolodzhieva V.V., Nilova L.Yu., Netchaev V.V., Orishak E.A. Serological monitoring by evaluation of the effectiveness of vaccine prophylaxis of pneumococcal infection in organized groups of children. Pacific Medical Journal. 2018;(4):89-90. (In Russ.) https://doi.org/10.17238/PmJ1609-1175.2018.4.89-90