Risk Factors for Atrial Fibrillation in Adult Patients in Long-Term Observation Following Surgical Closure of Atrial Septal Defect Type II - Piechowiak, M; Banach, M; Ruta, J; Barylski, M; Rysz, J; Bartczak, K; Markuszewski, L; Zasłonka, J; Goch, J H (The Thoracic and Cardiovascular Surgeon, 2006)