Karyakin А. А., Chub И. С., Karyakina О. Е., Grjibovski А. М., Artemov А. В., and Zakharchenko У. Р., “Reference Intervals for Echocardiography Parameters of Children Living in the Arkhangelsk Region and a Digital Application for Their Assessment”, med, vol. 12, no. 4, pp. 443–454, Dec. 2024.