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2. The architecture of the conduction system in congenital heart disease. III. Ventricular septal defect;Lev;Arch. Path.,1960
3. Conduction system in human hearts with interventricular septal defects;Truex;J. Thoracic Surg.,1958
4. Der Verlauf des Reizleitungssystems bei Ventrikelseptumdefekt;Urumova;Arch. Kreislaufforsch.,1959
5. Die Topographie des Ventrikelseptum Defekts und seine Beziehung zum Reizleitungssystem;Richter;Thoraxchirurgie,1960