Quality of life in patients after coronary artery bypass grafting with bilateral internal thoracic artery versus single internal thoracic artery - Zębalski, Marcin; Bis, Jarosław; Krejca, Michał; Deja, Marek (Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery, 2020)