For citations:

Kruchina T.K., Kovalchuk T.S., Vasichkina E.S., Tatarsky B.A. Experience of using propafenone in newborns and young children with arrhythmias. Russian Journal of Cardiology. 2020;25(7):3462. (In Russ.) https://doi.org/10.15829/1560-4071-2020-3462