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Subjects
- Surgical Procedures, Operative[remove]7
- Dogs2
- Nurses2
- Animal Experimentation -- ethics1
- Arterial Occlusive Diseases1
- Deutsches Rotes Kreuz.1
- Germany1
- Health Maintenance Organizations -- organization & administration1
- Heart-Assist Devices1
- Hospitals, University -- organization & administration1
- Ligation1
- National Socialism1
- Organizational Affiliation1
- Physicians, Women1
- Pulmonary Veins1
- Red Cross1
- Russia (Pre-1917)1
- Surgeons1
- Transplantation, Homologous1
- World War II1