Cardona, LAna, GLM, BrancoLeal, AAntónio, FLídia, SCruz Ferreira, R2021-05-242021-05-242011-10-04Circulation. 2011 Oct 4;124(14):1595-6.http://hdl.handle.net/10400.17/3696engAgedAnticoagulantsAspirinAtrial AppendageAtrial FibrillationClopidogrelEquipment DesignHeart DiseasesHeparinHumansMalePostoperative ComplicationsSeptal Occluder DeviceThrombophiliaThrombosisTiclopidineUltrasonographyHSM CARThrombus Formation on a Left Atrial Appendage Closure Devicejournal article10.1161/CIRCULATIONAHA.110.004135