Surgery of the Complete Atrioventricular Canal: Relationship between Age at Operation, Mitral Regurgitation, Size of the Ventricular Septum Defect, Additional Malformations and Early Postoperative Outcome. - Carrel, T.; Schaffer, R.; Berdat, P.; Stolle, B.; Pfammatter, J. P.; Stocker, F. (Cardiology, 1999)