1. Aldasheva, N. M., Lobzova, A. B., & Kuznetsova, T. V. (2018). Influence of environmental factors on the frequency of fetal congenital malformations. Physiology, Morphology and Pathology of Humans and Animals in Kyrgyzstan, 8, 381–386.
2. Baibarina, E. N., Degtyarev, D. N., & Kucherov, Y. I. (2011). Improving early surgical care for children with congenital malformations. Russian Bulletin of Perinatology and Pediatrics, 56(2), 12–19.
3. Berg, E., Lie, R. T., Sivertsen, A., & Haaland, O. A. (2015). Parental age and the risk of isolated cleft lip: A registry-based study. Annals of Epidemiology, 25(12), 942–947.
4. Beshlyaga, V., & Lazorishinets, V. (2005). Echocardiography in newborn heart surgery. Doctor, 2, 52–55.
5. Bokeria, L. A. (Ed.). (2014). Clinical guidelines for managing children with congenital heart defects (p. 342). Bakulev National Research Center. (In Russ).