1. Clinical Auscultation of the Heart;Levine,1959
2. The changing intensity of the first sound in auricular flutter: An aid to diagnosis by auscultation;Harvey;Am. Heart J.,1948
3. Diseases of the Heart;Friedberg,1956
4. The carotid sinus: Clinical value of its stimulation;Lown;Circulation,1961
5. Diseases of the Heart and Circulation;Wood,1956