For citations:
Shcherbakova N.V., Zhironkina A.B., Voinova V.Yu., Ildarova R.A., Shkolnikova M.A. Phenotypic variability and modifier variants in children with hereditary heart diseases. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2021;66(3):12-19. (In Russ.) https://doi.org/10.21508/1027-4065-2021-66-3-12-19