1. Closure of Atrial Septal Defects; Report of Three Cases;Sondergaard;Acta chir. scandinav.,1954
2. Atrial Septal Defects; A New Surgical Approach and Diagnostic Aspects;Björk;Acta chir. scandinav.,1954
3. The P Wave in the Electrocardiogram in the Diagnosis of Heart Disease;Thomas;Brit. Heart J.,1954
4. A Method for the Electrocardiographic Recognition of Atrial Enlargement;Macruz;Circulation,1958
5. Vectorkardiographische Untersuchungen vor und nach Operationen wegen Mitralstenose, Verhandl. Deutsch. Gesellsch;Wenger;Kreislaufforsch,1954