For citations:
Polunina E.A., Voronina L.P., Popov E.A., Polunina O.S. Analysis of levels of oxidative stress markers depending on the left ventricular ejection fraction in patients with chronic heart failure. Cardiovascular Therapy and Prevention. 2018;17(5):34-39. (In Russ.) https://doi.org/10.15829/1728-8800-2018-5-34-39