Maciejewski, M., Piestrzeniewicz, K., Jaszewski, R., Bielecka-Dabrowa, A. and Goch, J.H. 2011. Sources of Thromboembolism in Patients with Correctly Functioning Mechanical Valves: A Single-Center Transesophageal Echocardiographic Study. The Heart Surgery Forum. 14, 3 (Jun. 2011), E149-E156. DOI:https://doi.org/10.1532/HSF98.20101048.