For citations:
Kovalev I.A., Belozerov Yu.M., Sadykova D.I., Sabirova D.R., Yakovleva L.V., Khabibrakhmanova Z.R., Sakerin A.S. Atrioventricular Block in Children. Pediatric pharmacology. 2018;15(5):365-375. (In Russ.) https://doi.org/10.15690/pf.v15i5.1959