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Subject
- Cardiovascular system--Research[remove]6
- Heart Valve Diseases6
- Blalock, Alfred, 1899-19645
- Cardiovascular Surgical Procedures5
- Smithy, Horace Gilbert, 1914-19485
- Aorta--Surgery4
- Klinger, Louis H.4
- Johns Hopkins Hospital3
- Ventricular fibrillation2
- Aorta--surgery1
- Harvey, A. McGehee (Abner McGehee), 1911-19981
- Tumulty, Philip A., 1913-1