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Subject
- Cardiovascular system--Research7
- Heart Valve Diseases7
- Blalock, Alfred, 1899-19646
- Cardiovascular Surgical Procedures6
- Commemorative and association items6
- Smithy, Horace Gilbert, 1914-19486
- Klinger, Louis H.5
- Aorta--Surgery4
- Johns Hopkins Hospital4
- Clothing--Nursing--Pin3
- Clothing--Nursing--Uniform3
- Clothing--academic--ring3
- Dentistry3
- Nursing3
- Ventricular fibrillation3
- Advertising--methods2
- Aorta--surgery2
- Clothing--Academic--Ring2
- Dental Care2
- Dental Care--history2