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Subject
- Cardiovascular system--Research7
- Heart Valve Diseases[remove]7
- Blalock, Alfred, 1899-19646
- Cardiovascular Surgical Procedures6
- Smithy, Horace Gilbert, 1914-19486
- Klinger, Louis H.5
- Aorta--Surgery4
- Johns Hopkins Hospital4
- Ventricular fibrillation3
- Aorta--surgery2
- Harvey, A. McGehee (Abner McGehee), 1911-19981
- Tumulty, Philip A., 1913-1