Rakhmanov, Z.K., A.B. Hajiyev, Gulnaz Dadashova, S.A. Alieva Alieva, Cahan Qurbanova, G.I. Mammadova, and Gurbanova Jahan. “Clinical and Laboratory Features of Patients With Heart Failure (HFrEF Vs. HFmrEF): A Retrospective Evaluation”. Journal of Heart Disease and Therapy 1, no. 01 (February 16, 2025): 46–48. Accessed April 3, 2025. https://j-hdt.com/index.php/jhdt/article/view/11.