Shatylo, V.B., Bodretska, L.A., Shapovalenko, .I.S., Voinarovska, H.P. and Butynets, Z.S. 2021. Pentoxyphylline: possibilities to reduce manifestations of chronic heart failure with preserved left ventricular ejection fraction in elderly . Zaporozhye Medical Journal. 23, 1 (Apr. 2021), 24–31. DOI:https://doi.org/10.14739/2310-1210.2021.1.224839.