For citations:
Demikova N.S., Podolnaya M.А., Lapina A.S. Mother’s age as a risk factor of birth defects. Rossiyskiy Vestnik Perinatologii i Pediatrii (Russian Bulletin of Perinatology and Pediatrics). 2020;65(2):34-39. (In Russ.) https://doi.org/10.21508/1027-4065-2020-65-2-34-39