A challenging case of pneumothorax in a COVID-19 pneumonia patient. Can fresh frozen plasma pleurodesis be an effective treatment? - Skevis, Konstantinos; Verras, Georgios-Ioannis; Mulita, Francesk; Volonaki, Aikaterini; Dimitriou, Ioannis; Christodoulou, Nikolaos; Panagiotopoulos, Ioannis; Tchabashvili, Levan; Filis, Dimitrios; Koletsis, Efstratios (Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery, 2022)