EFFECTIVENESS OF BIOFEEDBACK IN THE CLOSED LOOP OF HEART RATE VARIABILITY AND PACED BREATHING IN THE PATIENTS WITH SOMATOFORM AUTONOMIC DYSFUNCTION. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. [інтернет]. 05, Липень 2015 [цит. за 25, Жовтень 2026];(28):23-7. доступний у: https://periodicals.karazin.ua/medicine/article/view/2869