[1]
“HEART ELECTRICAL AXIS α ANGLE VALUES DISTRIBUTION IN PATIENTS, UNDERGOING PERMANENT PACEMAKER IMPLANTATION”, J. V. N. Karazin Khark. Nat. Univ., Ser. Med., no. 31, pp. 32–36, Nov. 2016, doi: 10.26565/2227-6505-2016-31-06.