Jurin, I Change in the splitting of the second heart sound after operation of atrial septal defects. [electronic resource] - Review of Czechoslovak medicine 1973 - 15-23 p. digital Publication Type: Journal Article ISSN: 0034-6497 Subjects--Topical Terms: AdolescentAdultChildChild, PreschoolHeart AuscultationHeart Septal Defects, Atrial--physiopathologyHemodynamicsHumansMiddle AgedPhonocardiographyPostoperative Complications--physiopathology