Conversion to thoracotomy of video-assisted thoracoscopic closure of patent ductus arteriosus - Stankowski, Tomasz; Aboul-Hassan, Sleiman Sebastian; Fritzsche, Dirk; Misterski, Marcin; Marczak, Jakub; Szymańska, Anna; Wijatkowska, Katarzyna; Augustyn, Cyprian; Cichoń, Romuald; Perek, Bartłomiej (Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery, 2018)