(1)
BelalS. А. S.; Kulik, A. L.; Martynenko, A. V.; Yabluchanskiy, M. I. BIOFEEDBACK QUALITY IN THE LOOP OF PACED BREATHING AND HEART RATE VARIABILITY PARAMETERS IN HEALTHY VOLUNTEERS OF DIFFERENT RACE. J. V. N. Karazin Khark. Nat. Univ., Ser. Med. 1, 13-17.