Left atrial appendage closure for atrial fibrillation in a patient with hypertrophic cardiomyopathy in whom long-term oral anticoagulation was not feasible - Kłopotowski, Mariusz; Konka, Marek; Demkow, Marcin; Kukula, Krzysztof; Witkowski, Adam (Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej, 2019)