For citations:

Zakharova I.N., Pshenichnikova I.I., Tvorogova T.M. Intraoperative manifestation of sick sinus syndrome in an eight-month-old child. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2022;67(1):112-119. (In Russ.) https://doi.org/10.21508/1027-4065-2022-67-1-112-119