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British Heart Journal|December 1, 1978
Atypical Wenckebach periodicity simulating Mobitz II AV blockN El-Sherif, J Aranda, B Befeler, et al.Circulation|May 1, 1976
Re-entry due to manifest and concealed. His bundle ectopic systoles. Report of a caseN El-Sherif, B Befeler, J Aranda, et al.The American Journal of Medicine|April 1, 1977
Coronary artery aneurysms: study of the etiology, clinical course and effect on left ventricular function and prognosisB Befeler, M J Aranda, A Embi, et al.Circulation Research|August 1, 1976
Regional refractoriness within the ventricular conduction system. An evaluation of the "gate" hypothesisR Lazzara, N El-Sherif, B Befeler, et al.The American Journal of Medicine|June 1, 1976
Mitral valve prolapse. Recent concepts and observationsJ M Aranda, B Befeler, N El-Sherif, et al.The Journal of Thoracic and Cardiovascular Surgery|May 1, 1977
Long-term clinical and hemodynamic studies after ventricular aneurysmectomy and aorta-coronary bypassJ M Aranda, B Befeler, R Thurer, et al.British Heart Journal|February 1, 1976
Intermittent bundle-branch block in patients with accessory atrio-His or atrio-AV nodal pathways. Variants of the Lown-Ganong-Levine syndromeB Befeler, A Castellanos, J Aranda, et al.Circulation|August 1, 1976
The His-Purkinje electrocardiogram in man: an initial assessment of its uses and limitationsE J Berbari, B J Scherlag, N El-Sherif, et al.Circulation|March 1, 1978
Re-entrant ventricular arrhythmias in the late myocardial infarction period. 5. Mechanism of action of diphenylhydantoinN El-Sherif, R LazzaraCirculation|September 1, 1979
Reentrant ventricular arrhythmias in the late myocardial infarction period. 7. Effect of verapamil and D-600 and the role of the "slow channel"N El-Sherif, R LazzaraPageof 58