Working Group on Interventional Cardiology of the Polish Cardiac SocietyReport of Congenital Heart Disorders Committee of Working Group on Interventional Cardiology of the Polish Cardiac Society - Białkowski, Jacek; Szkutnik, Małgorzata; Janas, Agnieszka (Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej, 2009)