Tomaszewska M, Rzesoś P, Dudek M, Janus M, Straburzyńska-Migaj E. Acute heart failure with improved ejection fraction in a middle-aged patient with myocarditis and COVID-19 infection. JMS [Internet]. 2025 Mar. 31 [cited 2025 Apr. 4];94(1):e1180. Available from: https://jmsnew.ump.edu.pl/index.php/JMS/article/view/1180