1. Paradoxic splitting of the second heart sound in systemic hypertension. The role of myocardial competence.;Abbott;Dis. Chest,1964
2. The diagnosis of mitral regurgitation. An evaluation of clinical criteria, fluoroscopy, phonocardiogram, auricular esophagogram and electrokymogram.;Abelman;Am. J. Med.,1953
3. The diagnosis of tricuspid valve disease.;Aceves;Am. Heart J.,1947
4. Atrial sound in presence of mitral stenosis.;Adams;Dis. Chest,1963
5. Varying Intensity of the first sound with atrial flutter.;Adams;Dis. Chest,1967