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Subject
- Pacemaker, Artificial18
- Heart-Assist Devices9
- Hospital Costs8
- Electronics, Medical7
- Electric Stimulation5
- Urinary Bladder4
- Heart Ventricles3
- Patents as Topic3
- Cardiovascular Surgical Procedures2
- Electrocardiography2
- National Institutes of Health (U.S.)2
- Coronary Circulation1
- Diaphragm1
- Implants, Experimental1
- Myocardium1
- Oxygenators1
- Poverty1