For citations:
Sutovskaya D.V., Burlutskaya A.V., Dubova L.V., Krylova D.R. Use of a combined acellular vaccine against pertussis infection in children over four years of age: a cross-sectional study. Russian Pediatric Journal. 2021;24(3):168-172. (In Russ.) https://doi.org/10.46563/1560-9561-2021-24-3-168-172. EDN: jrhxey