Ivanov, V. and KolesnykМ. (2019) “EFFECT OF COMBINED ORAL FERROTHERAPY WITH L-CARNITINE ON EXERCISE TOLERANCE OF PATIENTS WITH CHRONIC HEART FAILURE WITH REDUCED EJECTION FRACTION OF LEFT VENTRICLE WITH CONCOMITANT IRON DEFICIENCY ANEMIA”, EUREKA: Health Sciences, 0(6), pp. 22-29. doi: 10.21303/2504-5679.2019.001085.