Mates, M [Transcatheter closure of ostium secundum atrial septal defects--initial experience with treatment of adult patients]. [electronic resource] - Vnitrni lekarstvi Oct 2001 - 722-4 p. digital Publication Type: Journal Article ISSN: 0042-773X Subjects--Topical Terms: AdultBalloon Occlusion--instrumentationCardiac CatheterizationEchocardiography, TransesophagealFemaleHeart Septal Defects, Atrial--diagnostic imagingHumansMaleMiddle AgedRadiography