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Voronenko OS, Brynza MS, Volkov DE, Lopin DO, Martynenko OV, Yabluchansky M .I. HEART ELECTRICAL AXIS α ANGLE VALUES DISTRIBUTION IN PATIENTS, UNDERGOING PERMANENT PACEMAKER IMPLANTATION. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. [Internet]. 2016Nov.17 [cited 2021Nov.27];0(31):32-6. Available from: https://periodicals.karazin.ua/medicine/article/view/6355