For citations:

Uspenskiy V., Sukhova I.V., Gordeev M.L. Approaches to aortic valve preservation in patients with aortic root an-eurysms and aortic insufficiency: the David procedure. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2009;15(2):142-145. (In Russ.) https://doi.org/10.18705/1607-419X-2009-15-2-142-145