For citations:
Galitskaya M.G., Fisenko A.P., Tkachenko N.E., Davydova I.V., Smirnov I.E., Kurdup M.K., Makarova S.G. Vaccination against pneumococcal infections in children with chronic heart failure. Russian Pediatric Journal. 2021;24(5):340-347. (In Russ.) https://doi.org/10.46563/1560-9561-2021-24-5-340-347. EDN: dzjnfc