1. Über Angina pectoris-Probleme;Hausner;Ztschr Klin Med,1933
2. Die Digitaliseinwirkung auf das Arbeits-Elektrokardiogramm;Zwillinger;Med Klin,1935
3. Digitalis and the normal work electrocardiogram;Liebow;Am Heart J,1941
4. Cardiorespiratory responses and electrocardiographic changes during exercise before and after intravenous digoxin in normal subjects;Yu;Am J Med,1952
5. Effect of digitalis glucosides on electrocardiogram and exercise test in healthy subjects;Nordström-Öhrberg;Acta Med Scand,1964