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Subject
- Blalock, Alfred, 1899-19644
- Cardiovascular Surgical Procedures4
- Cardiovascular system--Research4
- Heart Valve Diseases4
- Johns Hopkins Hospital[remove]4
- Smithy, Horace Gilbert, 1914-19484
- Klinger, Louis H.3
- Aorta--Surgery2
- Aorta--surgery2
- Ventricular fibrillation2
- Harvey, A. McGehee (Abner McGehee), 1911-19981
- Tumulty, Philip A., 1913-1