1. Non-surgical acquired heart block;Friedberg;Ann NY Acad Sci,1964
2. Complete heart block: A clinical, hemodynamic and pharmacological study in patients with and without an artificial pacemaker;Johansson;Acta Med Scand,1966
3. Clinical and electrocardiographic studies in complete heart block;Pader;J Chron Dis,1966
4. Longevity in complete heart block;Johansson;Ann NY Acad Sci,1969
5. Complete heart block: A follow-up study;Rowe;Ann Int Med,1957