1. The small atrial septal defect—operate or procrastinate?;Moss;J. Pediatr.,1971
2. Hämodynamik und Klinik des Vorhofseptumdefectes;Hager;Münch. med. Wochenschr.,1969
3. Heart disease in children;Gasul,1966
4. Pediatric cardiology;Nadas,1972
5. Congenital isolated ventricular septal defect;Sandøe;Thesis,1963