For citations:
Fleishman A.N., Martynov I.D., Petrovsky S.A., Korablina T.V. ORTHOSTATIC TACHYCARDIA: DIAGNOSTIC AND PROGNOSTIC VALUE OF VERY LOW FREQUENCY OF HEART RATE VARIABILITY. Bulletin of Siberian Medicine. 2014;13(4):136-148. (In Russ.) https://doi.org/10.20538/1682-0363-2014-4-136-148