Subjects
- Health Services Accessibility1
- Helmholtz, Hermann von, 1821-1894.1
- History of Medicine1
- History, 20th Century1
- Hospitals, Special3
- Hospitals, Special -- organization & administration2
- Humans1
- Internship and Residency1
- Manhattan Eye and Ear Hospital.1
- Maryland Eye & Ear Institute of Baltimore.1
- Medically Underserved Area1
- Medicine3
- Mental Health Services1
- Mother-Child Relations1
- Mothers1
- New York3
- New York City1
- New York Eye Infirmary.1
- New York Ophthalmic Hospital.1
- Operating Rooms2