For citations:

Bockerija E.L. Perinatal cardiology: the present and the future. Part II: cardiac arrhythmias and conduction. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2019;64(4):6-10. (In Russ.) https://doi.org/10.21508/1027-4065-2019-64-4-6-10