Tymoshenko, O. S., M. I. Yabluchansky, and O. V. Bilchenko. “THE FREQUENCY OF USE OF COMBINATIONS OF ANTIHYPERTENSIVE DRUGS IN PATIENTS WITH DIFFICULT-TO-CONTROL HYPERTENSION ON THE BACKGROUND OF BIOFEEDBACK AND PACED BREATHING AND HEART RATE VARIABILITY”. The Journal of V. N. Karazin Kharkiv National University, Series "Medicine", no. 35, June 2018, doi:10.26565/2313-6693-2018-35-09.