1. Clinical electrophysiological effects of propranolol on normal sinus node function. Issue 6 (June 1979) Authors: Vasquez, M; Chuquimia, R; Shantha, N; Khan, M; Narula, O S Journal: Heart Issue: Volume 41:Issue 6(1979) Page Start: 709 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗