For citations:
Bolshakova S.E., Madaeva I.M., Berdina O.N., Bugun O.V., Rychkova L.V. Ultrasound techniques in the diagnosis of vascular structural changes and blood flow velocity in patients with obstructive sleep apnea. Cardiovascular Therapy and Prevention. 2021;20(1):2645. (In Russ.) https://doi.org/10.15829/1728-8800-2021-2645